64673960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{449}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 157626000

約数和(自身を除く): 92952040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 277, 449, 520, 554, 898, 1108, 1385, 1796, 2216, 2245, 2770, 3592, 3601, 4490, 5540, 5837, 7202, 8980, 11080, 11674, 14404, 17960, 18005, 23348, 28808, 29185, 36010, 46696, 58370, 72020, 116740, 124373, 144040, 233480, 248746, 497492, 621865, 994984, 1243730, 1616849, 2487460, 3233698, 4974920, 6467396, 8084245, 12934792, 16168490, 32336980, 64673960]

約数ペア:

[(1, 64673960), (2, 32336980), (4, 16168490), (5, 12934792), (8, 8084245), (10, 6467396), (13, 4974920), (20, 3233698), (26, 2487460), (40, 1616849), (52, 1243730), (65, 994984), (104, 621865), (130, 497492), (260, 248746), (277, 233480), (449, 144040), (520, 124373), (554, 116740), (898, 72020), (1108, 58370), (1385, 46696), (1796, 36010), (2216, 29185), (2245, 28808), (2770, 23348), (3592, 18005), (3601, 17960), (4490, 14404), (5540, 11674), (5837, 11080), (7202, 8980)]