87396040

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{7457}}^1$

素因数の和:7761

約数の個数: 32

約数和(自身を含む): 197338680

約数和(自身を除く): 109942640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5860, 7457, 11720, 14914, 29828, 37285, 59656, 74570, 149140, 298280, 2184901, 4369802, 8739604, 10924505, 17479208, 21849010, 43698020, 87396040]

約数ペア:

[(1, 87396040), (2, 43698020), (4, 21849010), (5, 17479208), (8, 10924505), (10, 8739604), (20, 4369802), (40, 2184901), (293, 298280), (586, 149140), (1172, 74570), (1465, 59656), (2344, 37285), (2930, 29828), (5860, 14914), (7457, 11720)]