56870125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 77575680

約数和(自身を除く): 20705555

約数列:

[1, 5, 13, 25, 65, 79, 125, 325, 395, 443, 1027, 1625, 1975, 2215, 5135, 5759, 9875, 11075, 25675, 28795, 34997, 55375, 128375, 143975, 174985, 454961, 719875, 874925, 2274805, 4374625, 11374025, 56870125]

約数ペア:

[(1, 56870125), (5, 11374025), (13, 4374625), (25, 2274805), (65, 874925), (79, 719875), (125, 454961), (325, 174985), (395, 143975), (443, 128375), (1027, 55375), (1625, 34997), (1975, 28795), (2215, 25675), (5135, 11075), (5759, 9875)]