26636440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21481}}^1$

素因数の和:21523

約数の個数: 32

約数和(自身を含む): 61868160

約数和(自身を除く): 35231720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 21481, 42962, 85924, 107405, 171848, 214810, 429620, 665911, 859240, 1331822, 2663644, 3329555, 5327288, 6659110, 13318220, 26636440]

約数ペア:

[(1, 26636440), (2, 13318220), (4, 6659110), (5, 5327288), (8, 3329555), (10, 2663644), (20, 1331822), (31, 859240), (40, 665911), (62, 429620), (124, 214810), (155, 171848), (248, 107405), (310, 85924), (620, 42962), (1240, 21481)]