53207920

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5237}}^1$

素因数の和:5377

約数の個数: 40

約数和(自身を含む): 124706304

約数和(自身を除く): 71498384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 5237, 10160, 10474, 20948, 26185, 41896, 52370, 83792, 104740, 209480, 418960, 665099, 1330198, 2660396, 3325495, 5320792, 6650990, 10641584, 13301980, 26603960, 53207920]

約数ペア:

[(1, 53207920), (2, 26603960), (4, 13301980), (5, 10641584), (8, 6650990), (10, 5320792), (16, 3325495), (20, 2660396), (40, 1330198), (80, 665099), (127, 418960), (254, 209480), (508, 104740), (635, 83792), (1016, 52370), (1270, 41896), (2032, 26185), (2540, 20948), (5080, 10474), (5237, 10160)]