31964920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61471}}^1$

素因数の和:61495

約数の個数: 32

約数和(自身を含む): 77454720

約数和(自身を除く): 45489800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 61471, 122942, 245884, 307355, 491768, 614710, 799123, 1229420, 1598246, 2458840, 3196492, 3995615, 6392984, 7991230, 15982460, 31964920]

約数ペア:

[(1, 31964920), (2, 15982460), (4, 7991230), (5, 6392984), (8, 3995615), (10, 3196492), (13, 2458840), (20, 1598246), (26, 1229420), (40, 799123), (52, 614710), (65, 491768), (104, 307355), (130, 245884), (260, 122942), (520, 61471)]