87270140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{106427}}^1$

素因数の和:106477

約数の個数: 24

約数和(自身を含む): 187738992

約数和(自身を除く): 100468852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 106427, 212854, 425708, 532135, 1064270, 2128540, 4363507, 8727014, 17454028, 21817535, 43635070, 87270140]

約数ペア:

[(1, 87270140), (2, 43635070), (4, 21817535), (5, 17454028), (10, 8727014), (20, 4363507), (41, 2128540), (82, 1064270), (164, 532135), (205, 425708), (410, 212854), (820, 106427)]