129437620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{2083}}^1$

素因数の和:2344

約数の個数: 48

約数和(自身を含む): 294094080

約数和(自身を除く): 164656460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 956, 1195, 2083, 2390, 3107, 4166, 4780, 6214, 8332, 10415, 12428, 15535, 20830, 27079, 31070, 41660, 54158, 62140, 108316, 135395, 270790, 497837, 541580, 995674, 1991348, 2489185, 4978370, 6471881, 9956740, 12943762, 25887524, 32359405, 64718810, 129437620]

約数ペア:

[(1, 129437620), (2, 64718810), (4, 32359405), (5, 25887524), (10, 12943762), (13, 9956740), (20, 6471881), (26, 4978370), (52, 2489185), (65, 1991348), (130, 995674), (239, 541580), (260, 497837), (478, 270790), (956, 135395), (1195, 108316), (2083, 62140), (2390, 54158), (3107, 41660), (4166, 31070), (4780, 27079), (6214, 20830), (8332, 15535), (10415, 12428)]