1972768640

素因数分解:

$2^7\times 5^1\times {\mathrm{3082451}}^1$

素因数の和:3082470

約数の個数: 32

約数和(自身を含む): 4716151560

約数和(自身を除く): 2743382920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3082451, 6164902, 12329804, 15412255, 24659608, 30824510, 49319216, 61649020, 98638432, 123298040, 197276864, 246596080, 394553728, 493192160, 986384320, 1972768640]

約数ペア:

[(1, 1972768640), (2, 986384320), (4, 493192160), (5, 394553728), (8, 246596080), (10, 197276864), (16, 123298040), (20, 98638432), (32, 61649020), (40, 49319216), (64, 30824510), (80, 24659608), (128, 15412255), (160, 12329804), (320, 6164902), (640, 3082451)]