12458980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21481}}^1$

素因数の和:21519

約数の個数: 24

約数和(自身を含む): 27067320

約数和(自身を除く): 14608340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 21481, 42962, 85924, 107405, 214810, 429620, 622949, 1245898, 2491796, 3114745, 6229490, 12458980]

約数ペア:

[(1, 12458980), (2, 6229490), (4, 3114745), (5, 2491796), (10, 1245898), (20, 622949), (29, 429620), (58, 214810), (116, 107405), (145, 85924), (290, 42962), (580, 21481)]