53923025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1999}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 72912000

約数和(自身を除く): 18988975

約数列:

[1, 5, 13, 25, 65, 83, 325, 415, 1079, 1999, 2075, 5395, 9995, 25987, 26975, 49975, 129935, 165917, 649675, 829585, 2156921, 4147925, 10784605, 53923025]

約数ペア:

[(1, 53923025), (5, 10784605), (13, 4147925), (25, 2156921), (65, 829585), (83, 649675), (325, 165917), (415, 129935), (1079, 49975), (1999, 26975), (2075, 25987), (5395, 9995)]