20778826250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6299}}^1$

素因数の和:6370

約数の個数: 160

約数和(自身を含む): 49596624000

約数和(自身を除く): 28817797750

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 29, 35, 50, 58, 65, 70, 91, 125, 130, 145, 175, 182, 203, 250, 290, 325, 350, 377, 406, 455, 625, 650, 725, 754, 875, 910, 1015, 1250, 1450, 1625, 1750, 1885, 2030, 2275, 2639, 3250, 3625, 3770, 4375, 4550, 5075, 5278, 6299, 7250, 8125, 8750, 9425, 10150, 11375, 12598, 13195, 16250, 18125, 18850, 22750, 25375, 26390, 31495, 36250, 44093, 47125, 50750, 56875, 62990, 65975, 81887, 88186, 94250, 113750, 126875, 131950, 157475, 163774, 182671, 220465, 235625, 253750, 314950, 329875, 365342, 409435, 440930, 471250, 573209, 659750, 787375, 818870, 913355, 1102325, 1146418, 1278697, 1574750, 1649375, 1826710, 2047175, 2204650, 2374723, 2557394, 2866045, 3298750, 3936875, 4094350, 4566775, 4749446, 5511625, 5732090, 6393485, 7873750, 9133550, 10235875, 11023250, 11873615, 12786970, 14330225, 16623061, 20471750, 22833875, 23747230, 27558125, 28660450, 31967425, 33246122, 45667750, 51179375, 55116250, 59368075, 63934850, 71651125, 83115305, 102358750, 114169375, 118736150, 143302250, 159837125, 166230610, 228338750, 296840375, 319674250, 358255625, 415576525, 593680750, 716511250, 799185625, 831153050, 1484201875, 1598371250, 2077882625, 2968403750, 4155765250, 10389413125, 20778826250]

約数ペア:

[(1, 20778826250), (2, 10389413125), (5, 4155765250), (7, 2968403750), (10, 2077882625), (13, 1598371250), (14, 1484201875), (25, 831153050), (26, 799185625), (29, 716511250), (35, 593680750), (50, 415576525), (58, 358255625), (65, 319674250), (70, 296840375), (91, 228338750), (125, 166230610), (130, 159837125), (145, 143302250), (175, 118736150), (182, 114169375), (203, 102358750), (250, 83115305), (290, 71651125), (325, 63934850), (350, 59368075), (377, 55116250), (406, 51179375), (455, 45667750), (625, 33246122), (650, 31967425), (725, 28660450), (754, 27558125), (875, 23747230), (910, 22833875), (1015, 20471750), (1250, 16623061), (1450, 14330225), (1625, 12786970), (1750, 11873615), (1885, 11023250), (2030, 10235875), (2275, 9133550), (2639, 7873750), (3250, 6393485), (3625, 5732090), (3770, 5511625), (4375, 4749446), (4550, 4566775), (5075, 4094350), (5278, 3936875), (6299, 3298750), (7250, 2866045), (8125, 2557394), (8750, 2374723), (9425, 2204650), (10150, 2047175), (11375, 1826710), (12598, 1649375), (13195, 1574750), (16250, 1278697), (18125, 1146418), (18850, 1102325), (22750, 913355), (25375, 818870), (26390, 787375), (31495, 659750), (36250, 573209), (44093, 471250), (47125, 440930), (50750, 409435), (56875, 365342), (62990, 329875), (65975, 314950), (81887, 253750), (88186, 235625), (94250, 220465), (113750, 182671), (126875, 163774), (131950, 157475)]