3921000920

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{315193}}^1$

素因数の和:315515

約数の個数: 32

約数和(自身を含む): 8850647520

約数和(自身を除く): 4929646600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 315193, 630386, 1260772, 1575965, 2521544, 3151930, 6303860, 12607720, 98025023, 196050046, 392100092, 490125115, 784200184, 980250230, 1960500460, 3921000920]

約数ペア:

[(1, 3921000920), (2, 1960500460), (4, 980250230), (5, 784200184), (8, 490125115), (10, 392100092), (20, 196050046), (40, 98025023), (311, 12607720), (622, 6303860), (1244, 3151930), (1555, 2521544), (2488, 1575965), (3110, 1260772), (6220, 630386), (12440, 315193)]