7542280

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1201}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 17092440

約数和(自身を除く): 9550160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1201, 1256, 1570, 2402, 3140, 4804, 6005, 6280, 9608, 12010, 24020, 48040, 188557, 377114, 754228, 942785, 1508456, 1885570, 3771140, 7542280]

約数ペア:

[(1, 7542280), (2, 3771140), (4, 1885570), (5, 1508456), (8, 942785), (10, 754228), (20, 377114), (40, 188557), (157, 48040), (314, 24020), (628, 12010), (785, 9608), (1201, 6280), (1256, 6005), (1570, 4804), (2402, 3140)]