42472880

素因数分解:

$2^4\times 5^1\times {\mathrm{530911}}^1$

素因数の和:530924

約数の個数: 20

約数和(自身を含む): 98749632

約数和(自身を除く): 56276752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 530911, 1061822, 2123644, 2654555, 4247288, 5309110, 8494576, 10618220, 21236440, 42472880]

約数ペア:

[(1, 42472880), (2, 21236440), (4, 10618220), (5, 8494576), (8, 5309110), (10, 4247288), (16, 2654555), (20, 2123644), (40, 1061822), (80, 530911)]