23887240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 58786560

約数和(自身を除く): 34899320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 647, 710, 923, 1294, 1420, 1846, 2588, 2840, 3235, 3692, 4615, 5176, 6470, 7384, 8411, 9230, 12940, 16822, 18460, 25880, 33644, 36920, 42055, 45937, 67288, 84110, 91874, 168220, 183748, 229685, 336440, 367496, 459370, 597181, 918740, 1194362, 1837480, 2388724, 2985905, 4777448, 5971810, 11943620, 23887240]

約数ペア:

[(1, 23887240), (2, 11943620), (4, 5971810), (5, 4777448), (8, 2985905), (10, 2388724), (13, 1837480), (20, 1194362), (26, 918740), (40, 597181), (52, 459370), (65, 367496), (71, 336440), (104, 229685), (130, 183748), (142, 168220), (260, 91874), (284, 84110), (355, 67288), (520, 45937), (568, 42055), (647, 36920), (710, 33644), (923, 25880), (1294, 18460), (1420, 16822), (1846, 12940), (2588, 9230), (2840, 8411), (3235, 7384), (3692, 6470), (4615, 5176)]