72391250

素因数分解:

$2^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2048

約数の個数: 40

約数和(自身を含む): 140439420

約数和(自身を除く): 68048170

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 625, 725, 1250, 1450, 1997, 3625, 3994, 7250, 9985, 18125, 19970, 36250, 49925, 57913, 99850, 115826, 249625, 289565, 499250, 579130, 1248125, 1447825, 2496250, 2895650, 7239125, 14478250, 36195625, 72391250]

約数ペア:

[(1, 72391250), (2, 36195625), (5, 14478250), (10, 7239125), (25, 2895650), (29, 2496250), (50, 1447825), (58, 1248125), (125, 579130), (145, 499250), (250, 289565), (290, 249625), (625, 115826), (725, 99850), (1250, 57913), (1450, 49925), (1997, 36250), (3625, 19970), (3994, 18125), (7250, 9985)]