40571120

素因数分解:

$2^4\times 5^1\times {\mathrm{507139}}^1$

素因数の和:507152

約数の個数: 20

約数和(自身を含む): 94328040

約数和(自身を除く): 53756920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 507139, 1014278, 2028556, 2535695, 4057112, 5071390, 8114224, 10142780, 20285560, 40571120]

約数ペア:

[(1, 40571120), (2, 20285560), (4, 10142780), (5, 8114224), (8, 5071390), (10, 4057112), (16, 2535695), (20, 2028556), (40, 1014278), (80, 507139)]