121256440

素因数分解:

$2^3\times 5^1\times {\mathrm{859}}^1\times {\mathrm{3529}}^1$

素因数の和:4399

約数の個数: 32

約数和(自身を含む): 273222000

約数和(自身を除く): 151965560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 859, 1718, 3436, 3529, 4295, 6872, 7058, 8590, 14116, 17180, 17645, 28232, 34360, 35290, 70580, 141160, 3031411, 6062822, 12125644, 15157055, 24251288, 30314110, 60628220, 121256440]

約数ペア:

[(1, 121256440), (2, 60628220), (4, 30314110), (5, 24251288), (8, 15157055), (10, 12125644), (20, 6062822), (40, 3031411), (859, 141160), (1718, 70580), (3436, 35290), (3529, 34360), (4295, 28232), (6872, 17645), (7058, 17180), (8590, 14116)]