71639840

素因数分解:

$2^5\times 5^1\times {\mathrm{447749}}^1$

素因数の和:447764

約数の個数: 24

約数和(自身を含む): 169249500

約数和(自身を除く): 97609660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 447749, 895498, 1790996, 2238745, 3581992, 4477490, 7163984, 8954980, 14327968, 17909960, 35819920, 71639840]

約数ペア:

[(1, 71639840), (2, 35819920), (4, 17909960), (5, 14327968), (8, 8954980), (10, 7163984), (16, 4477490), (20, 3581992), (32, 2238745), (40, 1790996), (80, 895498), (160, 447749)]