87940420

素因数分解:

$2^2\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{3613}}^1$

素因数の和:4839

約数の個数: 24

約数和(自身を含む): 184877784

約数和(自身を除く): 96937364

約数列:

[1, 2, 4, 5, 10, 20, 1217, 2434, 3613, 4868, 6085, 7226, 12170, 14452, 18065, 24340, 36130, 72260, 4397021, 8794042, 17588084, 21985105, 43970210, 87940420]

約数ペア:

[(1, 87940420), (2, 43970210), (4, 21985105), (5, 17588084), (10, 8794042), (20, 4397021), (1217, 72260), (2434, 36130), (3613, 24340), (4868, 18065), (6085, 14452), (7226, 12170)]