40854160

素因数分解:

$2^4\times 5^1\times {\mathrm{510677}}^1$

素因数の和:510690

約数の個数: 20

約数和(自身を含む): 94986108

約数和(自身を除く): 54131948

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 510677, 1021354, 2042708, 2553385, 4085416, 5106770, 8170832, 10213540, 20427080, 40854160]

約数ペア:

[(1, 40854160), (2, 20427080), (4, 10213540), (5, 8170832), (8, 5106770), (10, 4085416), (16, 2553385), (20, 2042708), (40, 1021354), (80, 510677)]