18105200

素因数分解:

$2^4\times 5^2\times {\mathrm{45263}}^1$

素因数の和:45281

約数の個数: 30

約数和(自身を含む): 43498704

約数和(自身を除く): 25393504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 45263, 90526, 181052, 226315, 362104, 452630, 724208, 905260, 1131575, 1810520, 2263150, 3621040, 4526300, 9052600, 18105200]

約数ペア:

[(1, 18105200), (2, 9052600), (4, 4526300), (5, 3621040), (8, 2263150), (10, 1810520), (16, 1131575), (20, 905260), (25, 724208), (40, 452630), (50, 362104), (80, 226315), (100, 181052), (200, 90526), (400, 45263)]