6449920

素因数分解:

$2^8\times 5^1\times {\mathrm{5039}}^1$

素因数の和:5060

約数の個数: 36

約数和(自身を含む): 15452640

約数和(自身を除く): 9002720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 5039, 10078, 20156, 25195, 40312, 50390, 80624, 100780, 161248, 201560, 322496, 403120, 644992, 806240, 1289984, 1612480, 3224960, 6449920]

約数ペア:

[(1, 6449920), (2, 3224960), (4, 1612480), (5, 1289984), (8, 806240), (10, 644992), (16, 403120), (20, 322496), (32, 201560), (40, 161248), (64, 100780), (80, 80624), (128, 50390), (160, 40312), (256, 25195), (320, 20156), (640, 10078), (1280, 5039)]