41651920

素因数分解:

$2^4\times 5^1\times {\mathrm{520649}}^1$

素因数の和:520662

約数の個数: 20

約数和(自身を含む): 96840900

約数和(自身を除く): 55188980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 520649, 1041298, 2082596, 2603245, 4165192, 5206490, 8330384, 10412980, 20825960, 41651920]

約数ペア:

[(1, 41651920), (2, 20825960), (4, 10412980), (5, 8330384), (8, 5206490), (10, 4165192), (16, 2603245), (20, 2082596), (40, 1041298), (80, 520649)]