118778920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{228421}}^1$

素因数の和:228445

約数の個数: 32

約数和(自身を含む): 287811720

約数和(自身を除く): 169032800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 228421, 456842, 913684, 1142105, 1827368, 2284210, 2969473, 4568420, 5938946, 9136840, 11877892, 14847365, 23755784, 29694730, 59389460, 118778920]

約数ペア:

[(1, 118778920), (2, 59389460), (4, 29694730), (5, 23755784), (8, 14847365), (10, 11877892), (13, 9136840), (20, 5938946), (26, 4568420), (40, 2969473), (52, 2284210), (65, 1827368), (104, 1142105), (130, 913684), (260, 456842), (520, 228421)]