40559020

素因数分解:

$2^2\times 5^1\times {\mathrm{2027951}}^1$

素因数の和:2027960

約数の個数: 12

約数和(自身を含む): 85173984

約数和(自身を除く): 44614964

約数列:

[1, 2, 4, 5, 10, 20, 2027951, 4055902, 8111804, 10139755, 20279510, 40559020]

約数ペア:

[(1, 40559020), (2, 20279510), (4, 10139755), (5, 8111804), (10, 4055902), (20, 2027951)]