61647625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{643}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 84389760

約数和(自身を除く): 22742135

約数列:

[1, 5, 13, 25, 59, 65, 125, 295, 325, 643, 767, 1475, 1625, 3215, 3835, 7375, 8359, 16075, 19175, 37937, 41795, 80375, 95875, 189685, 208975, 493181, 948425, 1044875, 2465905, 4742125, 12329525, 61647625]

約数ペア:

[(1, 61647625), (5, 12329525), (13, 4742125), (25, 2465905), (59, 1044875), (65, 948425), (125, 493181), (295, 208975), (325, 189685), (643, 95875), (767, 80375), (1475, 41795), (1625, 37937), (3215, 19175), (3835, 16075), (7375, 8359)]