20651796750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{4211}}^1$

素因数の和:4747

約数の個数: 128

約数和(自身を含む): 55635600384

約数和(自身を除く): 34983803634

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 503, 650, 750, 975, 1006, 1509, 1625, 1950, 2515, 3018, 3250, 4211, 4875, 5030, 6539, 7545, 8422, 9750, 12575, 12633, 13078, 15090, 19617, 21055, 25150, 25266, 32695, 37725, 39234, 42110, 54743, 62875, 63165, 65390, 75450, 98085, 105275, 109486, 125750, 126330, 163475, 164229, 188625, 196170, 210550, 273715, 315825, 326950, 328458, 377250, 490425, 526375, 547430, 631650, 817375, 821145, 980850, 1052750, 1368575, 1579125, 1634750, 1642290, 2118133, 2452125, 2737150, 3158250, 4105725, 4236266, 4904250, 6354399, 6842875, 8211450, 10590665, 12708798, 13685750, 20528625, 21181330, 27535729, 31771995, 41057250, 52953325, 55071458, 63543990, 82607187, 105906650, 137678645, 158859975, 165214374, 264766625, 275357290, 317719950, 413035935, 529533250, 688393225, 794299875, 826071870, 1376786450, 1588599750, 2065179675, 3441966125, 4130359350, 6883932250, 10325898375, 20651796750]

約数ペア:

[(1, 20651796750), (2, 10325898375), (3, 6883932250), (5, 4130359350), (6, 3441966125), (10, 2065179675), (13, 1588599750), (15, 1376786450), (25, 826071870), (26, 794299875), (30, 688393225), (39, 529533250), (50, 413035935), (65, 317719950), (75, 275357290), (78, 264766625), (125, 165214374), (130, 158859975), (150, 137678645), (195, 105906650), (250, 82607187), (325, 63543990), (375, 55071458), (390, 52953325), (503, 41057250), (650, 31771995), (750, 27535729), (975, 21181330), (1006, 20528625), (1509, 13685750), (1625, 12708798), (1950, 10590665), (2515, 8211450), (3018, 6842875), (3250, 6354399), (4211, 4904250), (4875, 4236266), (5030, 4105725), (6539, 3158250), (7545, 2737150), (8422, 2452125), (9750, 2118133), (12575, 1642290), (12633, 1634750), (13078, 1579125), (15090, 1368575), (19617, 1052750), (21055, 980850), (25150, 821145), (25266, 817375), (32695, 631650), (37725, 547430), (39234, 526375), (42110, 490425), (54743, 377250), (62875, 328458), (63165, 326950), (65390, 315825), (75450, 273715), (98085, 210550), (105275, 196170), (109486, 188625), (125750, 164229), (126330, 163475)]