40551020

素因数分解:

$2^2\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{1439}}^1$

素因数の和:2857

約数の個数: 24

約数和(自身を含む): 85276800

約数和(自身を除く): 44725780

約数列:

[1, 2, 4, 5, 10, 20, 1409, 1439, 2818, 2878, 5636, 5756, 7045, 7195, 14090, 14390, 28180, 28780, 2027551, 4055102, 8110204, 10137755, 20275510, 40551020]

約数ペア:

[(1, 40551020), (2, 20275510), (4, 10137755), (5, 8110204), (10, 4055102), (20, 2027551), (1409, 28780), (1439, 28180), (2818, 14390), (2878, 14090), (5636, 7195), (5756, 7045)]