120816020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3343}}^1$

素因数の和:3504

約数の個数: 48

約数和(自身を含む): 275278080

約数和(自身を除く): 154462060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3343, 3614, 6686, 7228, 9035, 13372, 16715, 18070, 33430, 36140, 43459, 66860, 86918, 173836, 217295, 434590, 464677, 869180, 929354, 1858708, 2323385, 4646770, 6040801, 9293540, 12081602, 24163204, 30204005, 60408010, 120816020]

約数ペア:

[(1, 120816020), (2, 60408010), (4, 30204005), (5, 24163204), (10, 12081602), (13, 9293540), (20, 6040801), (26, 4646770), (52, 2323385), (65, 1858708), (130, 929354), (139, 869180), (260, 464677), (278, 434590), (556, 217295), (695, 173836), (1390, 86918), (1807, 66860), (2780, 43459), (3343, 36140), (3614, 33430), (6686, 18070), (7228, 16715), (9035, 13372)]