16890800

素因数分解:

$2^4\times 5^2\times {\mathrm{42227}}^1$

素因数の和:42245

約数の個数: 30

約数和(自身を含む): 40581108

約数和(自身を除く): 23690308

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 42227, 84454, 168908, 211135, 337816, 422270, 675632, 844540, 1055675, 1689080, 2111350, 3378160, 4222700, 8445400, 16890800]

約数ペア:

[(1, 16890800), (2, 8445400), (4, 4222700), (5, 3378160), (8, 2111350), (10, 1689080), (16, 1055675), (20, 844540), (25, 675632), (40, 422270), (50, 337816), (80, 211135), (100, 168908), (200, 84454), (400, 42227)]