13664540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15889}}^1$

素因数の和:15941

約数の個数: 24

約数和(自身を含む): 29364720

約数和(自身を除く): 15700180

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 15889, 31778, 63556, 79445, 158890, 317780, 683227, 1366454, 2732908, 3416135, 6832270, 13664540]

約数ペア:

[(1, 13664540), (2, 6832270), (4, 3416135), (5, 2732908), (10, 1366454), (20, 683227), (43, 317780), (86, 158890), (172, 79445), (215, 63556), (430, 31778), (860, 15889)]