80858375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2927}}^1$

素因数の和:2972

約数の個数: 32

約数和(自身を含む): 115105536

約数和(自身を除く): 34247161

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 325, 425, 1105, 1625, 2125, 2927, 5525, 14635, 27625, 38051, 49759, 73175, 190255, 248795, 365875, 646867, 951275, 1243975, 3234335, 4756375, 6219875, 16171675, 80858375]

約数ペア:

[(1, 80858375), (5, 16171675), (13, 6219875), (17, 4756375), (25, 3234335), (65, 1243975), (85, 951275), (125, 646867), (221, 365875), (325, 248795), (425, 190255), (1105, 73175), (1625, 49759), (2125, 38051), (2927, 27625), (5525, 14635)]