68553640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{41801}}^1$

素因数の和:41853

約数の個数: 32

約数和(自身を含む): 158011560

約数和(自身を除く): 89457920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 41801, 83602, 167204, 209005, 334408, 418010, 836020, 1672040, 1713841, 3427682, 6855364, 8569205, 13710728, 17138410, 34276820, 68553640]

約数ペア:

[(1, 68553640), (2, 34276820), (4, 17138410), (5, 13710728), (8, 8569205), (10, 6855364), (20, 3427682), (40, 1713841), (41, 1672040), (82, 836020), (164, 418010), (205, 334408), (328, 209005), (410, 167204), (820, 83602), (1640, 41801)]