25289875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 9304685

約数列:

[1, 5, 13, 25, 65, 79, 125, 197, 325, 395, 985, 1027, 1625, 1975, 2561, 4925, 5135, 9875, 12805, 15563, 24625, 25675, 64025, 77815, 128375, 202319, 320125, 389075, 1011595, 1945375, 5057975, 25289875]

約数ペア:

[(1, 25289875), (5, 5057975), (13, 1945375), (25, 1011595), (65, 389075), (79, 320125), (125, 202319), (197, 128375), (325, 77815), (395, 64025), (985, 25675), (1027, 24625), (1625, 15563), (1975, 12805), (2561, 9875), (4925, 5135)]