71484640

素因数分解:

$2^5\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1951}}^1$

素因数の和:2195

約数の個数: 48

約数和(自身を含む): 169706880

約数和(自身を除く): 98222240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 229, 458, 916, 1145, 1832, 1951, 2290, 3664, 3902, 4580, 7328, 7804, 9160, 9755, 15608, 18320, 19510, 31216, 36640, 39020, 62432, 78040, 156080, 312160, 446779, 893558, 1787116, 2233895, 3574232, 4467790, 7148464, 8935580, 14296928, 17871160, 35742320, 71484640]

約数ペア:

[(1, 71484640), (2, 35742320), (4, 17871160), (5, 14296928), (8, 8935580), (10, 7148464), (16, 4467790), (20, 3574232), (32, 2233895), (40, 1787116), (80, 893558), (160, 446779), (229, 312160), (458, 156080), (916, 78040), (1145, 62432), (1832, 39020), (1951, 36640), (2290, 31216), (3664, 19510), (3902, 18320), (4580, 15608), (7328, 9755), (7804, 9160)]