31442140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14423}}^1$

素因数の和:14541

約数の個数: 24

約数和(自身を含む): 66638880

約数和(自身を除く): 35196740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 14423, 28846, 57692, 72115, 144230, 288460, 1572107, 3144214, 6288428, 7860535, 15721070, 31442140]

約数ペア:

[(1, 31442140), (2, 15721070), (4, 7860535), (5, 6288428), (10, 3144214), (20, 1572107), (109, 288460), (218, 144230), (436, 72115), (545, 57692), (1090, 28846), (2180, 14423)]