61021025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{523}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 81869760

約数和(自身を除く): 20848735

約数列:

[1, 5, 13, 25, 65, 325, 359, 523, 1795, 2615, 4667, 6799, 8975, 13075, 23335, 33995, 116675, 169975, 187757, 938785, 2440841, 4693925, 12204205, 61021025]

約数ペア:

[(1, 61021025), (5, 12204205), (13, 4693925), (25, 2440841), (65, 938785), (325, 187757), (359, 169975), (523, 116675), (1795, 33995), (2615, 23335), (4667, 13075), (6799, 8975)]