25812460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 60056640

約数和(自身を除く): 34244180

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 79, 85, 124, 155, 158, 170, 310, 316, 340, 395, 527, 620, 790, 961, 1054, 1343, 1580, 1922, 2108, 2449, 2635, 2686, 3844, 4805, 4898, 5270, 5372, 6715, 9610, 9796, 10540, 12245, 13430, 16337, 19220, 24490, 26860, 32674, 41633, 48980, 65348, 75919, 81685, 83266, 151838, 163370, 166532, 208165, 303676, 326740, 379595, 416330, 759190, 832660, 1290623, 1518380, 2581246, 5162492, 6453115, 12906230, 25812460]

約数ペア:

[(1, 25812460), (2, 12906230), (4, 6453115), (5, 5162492), (10, 2581246), (17, 1518380), (20, 1290623), (31, 832660), (34, 759190), (62, 416330), (68, 379595), (79, 326740), (85, 303676), (124, 208165), (155, 166532), (158, 163370), (170, 151838), (310, 83266), (316, 81685), (340, 75919), (395, 65348), (527, 48980), (620, 41633), (790, 32674), (961, 26860), (1054, 24490), (1343, 19220), (1580, 16337), (1922, 13430), (2108, 12245), (2449, 10540), (2635, 9796), (2686, 9610), (3844, 6715), (4805, 5372), (4898, 5270)]