201878680

素因数分解:

$2^3\times 5^1\times {\mathrm{5046967}}^1$

素因数の和:5046978

約数の個数: 16

約数和(自身を含む): 454227120

約数和(自身を除く): 252348440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5046967, 10093934, 20187868, 25234835, 40375736, 50469670, 100939340, 201878680]

約数ペア:

[(1, 201878680), (2, 100939340), (4, 50469670), (5, 40375736), (8, 25234835), (10, 20187868), (20, 10093934), (40, 5046967)]