51272975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1997}}^1$

素因数の和:2099

約数の個数: 24

約数和(自身を含む): 69370560

約数和(自身を除く): 18097585

約数列:

[1, 5, 13, 25, 65, 79, 325, 395, 1027, 1975, 1997, 5135, 9985, 25675, 25961, 49925, 129805, 157763, 649025, 788815, 2050919, 3944075, 10254595, 51272975]

約数ペア:

[(1, 51272975), (5, 10254595), (13, 3944075), (25, 2050919), (65, 788815), (79, 649025), (325, 157763), (395, 129805), (1027, 49925), (1975, 25961), (1997, 25675), (5135, 9985)]