11857960

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{569}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 26778600

約数和(自身を除く): 14920640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 569, 1042, 1138, 2084, 2276, 2605, 2845, 4168, 4552, 5210, 5690, 10420, 11380, 20840, 22760, 296449, 592898, 1185796, 1482245, 2371592, 2964490, 5928980, 11857960]

約数ペア:

[(1, 11857960), (2, 5928980), (4, 2964490), (5, 2371592), (8, 1482245), (10, 1185796), (20, 592898), (40, 296449), (521, 22760), (569, 20840), (1042, 11380), (1138, 10420), (2084, 5690), (2276, 5210), (2605, 4552), (2845, 4168)]