788256020

素因数分解:

$2^2\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{32069}}^1$

素因数の和:33307

約数の個数: 24

約数和(自身を含む): 1656736200

約数和(自身を除く): 868480180

約数列:

[1, 2, 4, 5, 10, 20, 1229, 2458, 4916, 6145, 12290, 24580, 32069, 64138, 128276, 160345, 320690, 641380, 39412801, 78825602, 157651204, 197064005, 394128010, 788256020]

約数ペア:

[(1, 788256020), (2, 394128010), (4, 197064005), (5, 157651204), (10, 78825602), (20, 39412801), (1229, 641380), (2458, 320690), (4916, 160345), (6145, 128276), (12290, 64138), (24580, 32069)]