323210920

素因数分解:

$2^3\times 5^1\times {\mathrm{8080273}}^1$

素因数の和:8080284

約数の個数: 16

約数和(自身を含む): 727224660

約数和(自身を除く): 404013740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8080273, 16160546, 32321092, 40401365, 64642184, 80802730, 161605460, 323210920]

約数ペア:

[(1, 323210920), (2, 161605460), (4, 80802730), (5, 64642184), (8, 40401365), (10, 32321092), (20, 16160546), (40, 8080273)]