31081220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{50131}}^1$

素因数の和:50171

約数の個数: 24

約数和(自身を含む): 67377408

約数和(自身を除く): 36296188

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 50131, 100262, 200524, 250655, 501310, 1002620, 1554061, 3108122, 6216244, 7770305, 15540610, 31081220]

約数ペア:

[(1, 31081220), (2, 15540610), (4, 7770305), (5, 6216244), (10, 3108122), (20, 1554061), (31, 1002620), (62, 501310), (124, 250655), (155, 200524), (310, 100262), (620, 50131)]