11212220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6299}}^1$

素因数の和:6397

約数の個数: 24

約数和(自身を含む): 23814000

約数和(自身を除く): 12601780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 6299, 12598, 25196, 31495, 62990, 125980, 560611, 1121222, 2242444, 2803055, 5606110, 11212220]

約数ペア:

[(1, 11212220), (2, 5606110), (4, 2803055), (5, 2242444), (10, 1121222), (20, 560611), (89, 125980), (178, 62990), (356, 31495), (445, 25196), (890, 12598), (1780, 6299)]