30821960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59273}}^1$

素因数の和:59297

約数の個数: 32

約数和(自身を含む): 74685240

約数和(自身を除く): 43863280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 59273, 118546, 237092, 296365, 474184, 592730, 770549, 1185460, 1541098, 2370920, 3082196, 3852745, 6164392, 7705490, 15410980, 30821960]

約数ペア:

[(1, 30821960), (2, 15410980), (4, 7705490), (5, 6164392), (8, 3852745), (10, 3082196), (13, 2370920), (20, 1541098), (26, 1185460), (40, 770549), (52, 592730), (65, 474184), (104, 296365), (130, 237092), (260, 118546), (520, 59273)]