39622280

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1531}}^1$

素因数の和:2189

約数の個数: 32

約数和(自身を含む): 89346240

約数和(自身を除く): 49723960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 1531, 2588, 3062, 3235, 5176, 6124, 6470, 7655, 12248, 12940, 15310, 25880, 30620, 61240, 990557, 1981114, 3962228, 4952785, 7924456, 9905570, 19811140, 39622280]

約数ペア:

[(1, 39622280), (2, 19811140), (4, 9905570), (5, 7924456), (8, 4952785), (10, 3962228), (20, 1981114), (40, 990557), (647, 61240), (1294, 30620), (1531, 25880), (2588, 15310), (3062, 12940), (3235, 12248), (5176, 7655), (6124, 6470)]