8351875

素因数分解:

$5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:133

約数の個数: 40

約数和(自身を含む): 12595968

約数和(自身を除く): 4244093

約数列:

[1, 5, 7, 23, 25, 35, 83, 115, 125, 161, 175, 415, 575, 581, 625, 805, 875, 1909, 2075, 2875, 2905, 4025, 4375, 9545, 10375, 13363, 14375, 14525, 20125, 47725, 51875, 66815, 72625, 100625, 238625, 334075, 363125, 1193125, 1670375, 8351875]

約数ペア:

[(1, 8351875), (5, 1670375), (7, 1193125), (23, 363125), (25, 334075), (35, 238625), (83, 100625), (115, 72625), (125, 66815), (161, 51875), (175, 47725), (415, 20125), (575, 14525), (581, 14375), (625, 13363), (805, 10375), (875, 9545), (1909, 4375), (2075, 4025), (2875, 2905)]