66681550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{102587}}^1$

素因数の和:102612

約数の個数: 24

約数和(自身を含む): 133569576

約数和(自身を除く): 66888026

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 102587, 205174, 512935, 1025870, 1333631, 2564675, 2667262, 5129350, 6668155, 13336310, 33340775, 66681550]

約数ペア:

[(1, 66681550), (2, 33340775), (5, 13336310), (10, 6668155), (13, 5129350), (25, 2667262), (26, 2564675), (50, 1333631), (65, 1025870), (130, 512935), (325, 205174), (650, 102587)]