5640820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3169}}^1$

素因数の和:3267

約数の個数: 24

約数和(自身を含む): 11982600

約数和(自身を除く): 6341780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 3169, 6338, 12676, 15845, 31690, 63380, 282041, 564082, 1128164, 1410205, 2820410, 5640820]

約数ペア:

[(1, 5640820), (2, 2820410), (4, 1410205), (5, 1128164), (10, 564082), (20, 282041), (89, 63380), (178, 31690), (356, 15845), (445, 12676), (890, 6338), (1780, 3169)]