2080731640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4001407}}^1$

素因数の和:4001431

約数の個数: 32

約数和(自身を含む): 5041774080

約数和(自身を除く): 2961042440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4001407, 8002814, 16005628, 20007035, 32011256, 40014070, 52018291, 80028140, 104036582, 160056280, 208073164, 260091455, 416146328, 520182910, 1040365820, 2080731640]

約数ペア:

[(1, 2080731640), (2, 1040365820), (4, 520182910), (5, 416146328), (8, 260091455), (10, 208073164), (13, 160056280), (20, 104036582), (26, 80028140), (40, 52018291), (52, 40014070), (65, 32011256), (104, 20007035), (130, 16005628), (260, 8002814), (520, 4001407)]