39949975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1481}}^1$

素因数の和:1587

約数の個数: 24

約数和(自身を含む): 54027792

約数和(自身を除く): 14077817

約数列:

[1, 5, 13, 25, 65, 83, 325, 415, 1079, 1481, 2075, 5395, 7405, 19253, 26975, 37025, 96265, 122923, 481325, 614615, 1597999, 3073075, 7989995, 39949975]

約数ペア:

[(1, 39949975), (5, 7989995), (13, 3073075), (25, 1597999), (65, 614615), (83, 481325), (325, 122923), (415, 96265), (1079, 37025), (1481, 26975), (2075, 19253), (5395, 7405)]