810862520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1559351}}^1$

素因数の和:1559375

約数の個数: 32

約数和(自身を含む): 1964783520

約数和(自身を除く): 1153921000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1559351, 3118702, 6237404, 7796755, 12474808, 15593510, 20271563, 31187020, 40543126, 62374040, 81086252, 101357815, 162172504, 202715630, 405431260, 810862520]

約数ペア:

[(1, 810862520), (2, 405431260), (4, 202715630), (5, 162172504), (8, 101357815), (10, 81086252), (13, 62374040), (20, 40543126), (26, 31187020), (40, 20271563), (52, 15593510), (65, 12474808), (104, 7796755), (130, 6237404), (260, 3118702), (520, 1559351)]