84811025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4423}}^1$

素因数の和:4505

約数の個数: 24

約数和(自身を含む): 115200960

約数和(自身を除く): 30389935

約数列:

[1, 5, 13, 25, 59, 65, 295, 325, 767, 1475, 3835, 4423, 19175, 22115, 57499, 110575, 260957, 287495, 1304785, 1437475, 3392441, 6523925, 16962205, 84811025]

約数ペア:

[(1, 84811025), (5, 16962205), (13, 6523925), (25, 3392441), (59, 1437475), (65, 1304785), (295, 287495), (325, 260957), (767, 110575), (1475, 57499), (3835, 22115), (4423, 19175)]