31666960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30449}}^1$

素因数の和:30475

約数の個数: 40

約数和(自身を含む): 79291800

約数和(自身を除く): 47624840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 30449, 60898, 121796, 152245, 243592, 304490, 395837, 487184, 608980, 791674, 1217960, 1583348, 1979185, 2435920, 3166696, 3958370, 6333392, 7916740, 15833480, 31666960]

約数ペア:

[(1, 31666960), (2, 15833480), (4, 7916740), (5, 6333392), (8, 3958370), (10, 3166696), (13, 2435920), (16, 1979185), (20, 1583348), (26, 1217960), (40, 791674), (52, 608980), (65, 487184), (80, 395837), (104, 304490), (130, 243592), (208, 152245), (260, 121796), (520, 60898), (1040, 30449)]