1090640

素因数分解:

$2^4\times 5^1\times {\mathrm{13633}}^1$

素因数の和:13646

約数の個数: 20

約数和(自身を含む): 2535924

約数和(自身を除く): 1445284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13633, 27266, 54532, 68165, 109064, 136330, 218128, 272660, 545320, 1090640]

約数ペア:

[(1, 1090640), (2, 545320), (4, 272660), (5, 218128), (8, 136330), (10, 109064), (16, 68165), (20, 54532), (40, 27266), (80, 13633)]