82520140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{133097}}^1$

素因数の和:133137

約数の個数: 24

約数和(自身を含む): 178883712

約数和(自身を除く): 96363572

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 133097, 266194, 532388, 665485, 1330970, 2661940, 4126007, 8252014, 16504028, 20630035, 41260070, 82520140]

約数ペア:

[(1, 82520140), (2, 41260070), (4, 20630035), (5, 16504028), (10, 8252014), (20, 4126007), (31, 2661940), (62, 1330970), (124, 665485), (155, 532388), (310, 266194), (620, 133097)]