80495980

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{8807}}^1$

素因数の和:9273

約数の個数: 24

約数和(自身を含む): 169430688

約数和(自身を除く): 88934708

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 4570, 8807, 9140, 17614, 35228, 44035, 88070, 176140, 4024799, 8049598, 16099196, 20123995, 40247990, 80495980]

約数ペア:

[(1, 80495980), (2, 40247990), (4, 20123995), (5, 16099196), (10, 8049598), (20, 4024799), (457, 176140), (914, 88070), (1828, 44035), (2285, 35228), (4570, 17614), (8807, 9140)]