64662520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{124351}}^1$

素因数の和:124375

約数の個数: 32

約数和(自身を含む): 156683520

約数和(自身を除く): 92021000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 124351, 248702, 497404, 621755, 994808, 1243510, 1616563, 2487020, 3233126, 4974040, 6466252, 8082815, 12932504, 16165630, 32331260, 64662520]

約数ペア:

[(1, 64662520), (2, 32331260), (4, 16165630), (5, 12932504), (8, 8082815), (10, 6466252), (13, 4974040), (20, 3233126), (26, 2487020), (40, 1616563), (52, 1243510), (65, 994808), (104, 621755), (130, 497404), (260, 248702), (520, 124351)]