81876425

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3643}}^1$

素因数の和:3713

約数の個数: 24

約数和(自身を含む): 108445440

約数和(自身を除く): 26569015

約数列:

[1, 5, 25, 29, 31, 145, 155, 725, 775, 899, 3643, 4495, 18215, 22475, 91075, 105647, 112933, 528235, 564665, 2641175, 2823325, 3275057, 16375285, 81876425]

約数ペア:

[(1, 81876425), (5, 16375285), (25, 3275057), (29, 2823325), (31, 2641175), (145, 564665), (155, 528235), (725, 112933), (775, 105647), (899, 91075), (3643, 22475), (4495, 18215)]