7758980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2791}}^1$

素因数の和:2939

約数の個数: 24

約数和(自身を含む): 16416960

約数和(自身を除く): 8657980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 2791, 5582, 11164, 13955, 27910, 55820, 387949, 775898, 1551796, 1939745, 3879490, 7758980]

約数ペア:

[(1, 7758980), (2, 3879490), (4, 1939745), (5, 1551796), (10, 775898), (20, 387949), (139, 55820), (278, 27910), (556, 13955), (695, 11164), (1390, 5582), (2780, 2791)]