3129920

素因数分解:

$2^6\times 5^1\times {\mathrm{9781}}^1$

素因数の和:9798

約数の個数: 28

約数和(自身を含む): 7453884

約数和(自身を除く): 4323964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 9781, 19562, 39124, 48905, 78248, 97810, 156496, 195620, 312992, 391240, 625984, 782480, 1564960, 3129920]

約数ペア:

[(1, 3129920), (2, 1564960), (4, 782480), (5, 625984), (8, 391240), (10, 312992), (16, 195620), (20, 156496), (32, 97810), (40, 78248), (64, 48905), (80, 39124), (160, 19562), (320, 9781)]