520078780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2000303}}^1$

素因数の和:2000325

約数の個数: 24

約数和(自身を含む): 1176178752

約数和(自身を除く): 656099972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2000303, 4000606, 8001212, 10001515, 20003030, 26003939, 40006060, 52007878, 104015756, 130019695, 260039390, 520078780]

約数ペア:

[(1, 520078780), (2, 260039390), (4, 130019695), (5, 104015756), (10, 52007878), (13, 40006060), (20, 26003939), (26, 20003030), (52, 10001515), (65, 8001212), (130, 4000606), (260, 2000303)]