4038820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2269}}^1$

素因数の和:2367

約数の個数: 24

約数和(自身を含む): 8580600

約数和(自身を除く): 4541780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2269, 4538, 9076, 11345, 22690, 45380, 201941, 403882, 807764, 1009705, 2019410, 4038820]

約数ペア:

[(1, 4038820), (2, 2019410), (4, 1009705), (5, 807764), (10, 403882), (20, 201941), (89, 45380), (178, 22690), (356, 11345), (445, 9076), (890, 4538), (1780, 2269)]