11290540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6343}}^1$

素因数の和:6441

約数の個数: 24

約数和(自身を含む): 23980320

約数和(自身を除く): 12689780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 6343, 12686, 25372, 31715, 63430, 126860, 564527, 1129054, 2258108, 2822635, 5645270, 11290540]

約数ペア:

[(1, 11290540), (2, 5645270), (4, 2822635), (5, 2258108), (10, 1129054), (20, 564527), (89, 126860), (178, 63430), (356, 31715), (445, 25372), (890, 12686), (1780, 6343)]