15930940

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1291}}^1$

素因数の和:1917

約数の個数: 24

約数和(自身を含む): 33535152

約数和(自身を除く): 17604212

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 1291, 2468, 2582, 3085, 5164, 6170, 6455, 12340, 12910, 25820, 796547, 1593094, 3186188, 3982735, 7965470, 15930940]

約数ペア:

[(1, 15930940), (2, 7965470), (4, 3982735), (5, 3186188), (10, 1593094), (20, 796547), (617, 25820), (1234, 12910), (1291, 12340), (2468, 6455), (2582, 6170), (3085, 5164)]