40800560

素因数分解:

$2^4\times 5^1\times {\mathrm{510007}}^1$

素因数の和:510020

約数の個数: 20

約数和(自身を含む): 94861488

約数和(自身を除く): 54060928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 510007, 1020014, 2040028, 2550035, 4080056, 5100070, 8160112, 10200140, 20400280, 40800560]

約数ペア:

[(1, 40800560), (2, 20400280), (4, 10200140), (5, 8160112), (8, 5100070), (10, 4080056), (16, 2550035), (20, 2040028), (40, 1020014), (80, 510007)]