1405580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6389}}^1$

素因数の和:6409

約数の個数: 24

約数和(自身を含む): 3220560

約数和(自身を除く): 1814980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 6389, 12778, 25556, 31945, 63890, 70279, 127780, 140558, 281116, 351395, 702790, 1405580]

約数ペア:

[(1, 1405580), (2, 702790), (4, 351395), (5, 281116), (10, 140558), (11, 127780), (20, 70279), (22, 63890), (44, 31945), (55, 25556), (110, 12778), (220, 6389)]