12591140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8867}}^1$

素因数の和:8947

約数の個数: 24

約数和(自身を含む): 26816832

約数和(自身を除く): 14225692

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8867, 17734, 35468, 44335, 88670, 177340, 629557, 1259114, 2518228, 3147785, 6295570, 12591140]

約数ペア:

[(1, 12591140), (2, 6295570), (4, 3147785), (5, 2518228), (10, 1259114), (20, 629557), (71, 177340), (142, 88670), (284, 44335), (355, 35468), (710, 17734), (1420, 8867)]