40539080

素因数分解:

$2^3\times 5^1\times {\mathrm{1013477}}^1$

素因数の和:1013488

約数の個数: 16

約数和(自身を含む): 91213020

約数和(自身を除く): 50673940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013477, 2026954, 4053908, 5067385, 8107816, 10134770, 20269540, 40539080]

約数ペア:

[(1, 40539080), (2, 20269540), (4, 10134770), (5, 8107816), (8, 5067385), (10, 4053908), (20, 2026954), (40, 1013477)]