251318080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60413}}^1$

素因数の和:60443

約数の個数: 56

約数和(自身を含む): 644496552

約数和(自身を除く): 393178472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 60413, 120826, 241652, 302065, 483304, 604130, 785369, 966608, 1208260, 1570738, 1933216, 2416520, 3141476, 3866432, 3926845, 4833040, 6282952, 7853690, 9666080, 12565904, 15707380, 19332160, 25131808, 31414760, 50263616, 62829520, 125659040, 251318080]

約数ペア:

[(1, 251318080), (2, 125659040), (4, 62829520), (5, 50263616), (8, 31414760), (10, 25131808), (13, 19332160), (16, 15707380), (20, 12565904), (26, 9666080), (32, 7853690), (40, 6282952), (52, 4833040), (64, 3926845), (65, 3866432), (80, 3141476), (104, 2416520), (130, 1933216), (160, 1570738), (208, 1208260), (260, 966608), (320, 785369), (416, 604130), (520, 483304), (832, 302065), (1040, 241652), (2080, 120826), (4160, 60413)]