57990920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{111521}}^1$

素因数の和:111545

約数の個数: 32

約数和(自身を含む): 140517720

約数和(自身を除く): 82526800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 111521, 223042, 446084, 557605, 892168, 1115210, 1449773, 2230420, 2899546, 4460840, 5799092, 7248865, 11598184, 14497730, 28995460, 57990920]

約数ペア:

[(1, 57990920), (2, 28995460), (4, 14497730), (5, 11598184), (8, 7248865), (10, 5799092), (13, 4460840), (20, 2899546), (26, 2230420), (40, 1449773), (52, 1115210), (65, 892168), (104, 557605), (130, 446084), (260, 223042), (520, 111521)]