4129242520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7940851}}^1$

素因数の和:7940875

約数の個数: 32

約数和(自身を含む): 10005473520

約数和(自身を除く): 5876231000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 7940851, 15881702, 31763404, 39704255, 63526808, 79408510, 103231063, 158817020, 206462126, 317634040, 412924252, 516155315, 825848504, 1032310630, 2064621260, 4129242520]

約数ペア:

[(1, 4129242520), (2, 2064621260), (4, 1032310630), (5, 825848504), (8, 516155315), (10, 412924252), (13, 317634040), (20, 206462126), (26, 158817020), (40, 103231063), (52, 79408510), (65, 63526808), (104, 39704255), (130, 31763404), (260, 15881702), (520, 7940851)]