20177188625

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:516

約数の個数: 96

約数和(自身を含む): 28913582880

約数和(自身を除く): 8736394255

約数列:

[1, 5, 11, 25, 29, 55, 121, 125, 145, 157, 275, 293, 319, 605, 725, 785, 1375, 1465, 1595, 1727, 3025, 3223, 3509, 3625, 3925, 4553, 7325, 7975, 8497, 8635, 15125, 16115, 17545, 18997, 19625, 22765, 35453, 36625, 39875, 42485, 43175, 46001, 50083, 80575, 87725, 93467, 94985, 113825, 177265, 212425, 215875, 230005, 250415, 402875, 438625, 467335, 474925, 506011, 550913, 569125, 886325, 1028137, 1062125, 1150025, 1252075, 1334029, 2336675, 2374625, 2530055, 2754565, 4431625, 5140685, 5566121, 5750125, 6260375, 6670145, 11683375, 12650275, 13772825, 14674319, 25703425, 27830605, 33350725, 63251375, 68864125, 73371595, 128517125, 139153025, 161417509, 166753625, 366857975, 695765125, 807087545, 1834289875, 4035437725, 20177188625]

約数ペア:

[(1, 20177188625), (5, 4035437725), (11, 1834289875), (25, 807087545), (29, 695765125), (55, 366857975), (121, 166753625), (125, 161417509), (145, 139153025), (157, 128517125), (275, 73371595), (293, 68864125), (319, 63251375), (605, 33350725), (725, 27830605), (785, 25703425), (1375, 14674319), (1465, 13772825), (1595, 12650275), (1727, 11683375), (3025, 6670145), (3223, 6260375), (3509, 5750125), (3625, 5566121), (3925, 5140685), (4553, 4431625), (7325, 2754565), (7975, 2530055), (8497, 2374625), (8635, 2336675), (15125, 1334029), (16115, 1252075), (17545, 1150025), (18997, 1062125), (19625, 1028137), (22765, 886325), (35453, 569125), (36625, 550913), (39875, 506011), (42485, 474925), (43175, 467335), (46001, 438625), (50083, 402875), (80575, 250415), (87725, 230005), (93467, 215875), (94985, 212425), (113825, 177265)]