127872020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{220469}}^1$

素因数の和:220507

約数の個数: 24

約数和(自身を含む): 277792200

約数和(自身を除く): 149920180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 220469, 440938, 881876, 1102345, 2204690, 4409380, 6393601, 12787202, 25574404, 31968005, 63936010, 127872020]

約数ペア:

[(1, 127872020), (2, 63936010), (4, 31968005), (5, 25574404), (10, 12787202), (20, 6393601), (29, 4409380), (58, 2204690), (116, 1102345), (145, 881876), (290, 440938), (580, 220469)]