42135020

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{4139}}^1$

素因数の和:4657

約数の個数: 24

約数和(自身を含む): 88678800

約数和(自身を除く): 46543780

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 4139, 5090, 8278, 10180, 16556, 20695, 41390, 82780, 2106751, 4213502, 8427004, 10533755, 21067510, 42135020]

約数ペア:

[(1, 42135020), (2, 21067510), (4, 10533755), (5, 8427004), (10, 4213502), (20, 2106751), (509, 82780), (1018, 41390), (2036, 20695), (2545, 16556), (4139, 10180), (5090, 8278)]