200645240

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{17851}}^1$

素因数の和:18143

約数の個数: 32

約数和(自身を含む): 453083760

約数和(自身を除く): 252438520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 11240, 17851, 35702, 71404, 89255, 142808, 178510, 357020, 714040, 5016131, 10032262, 20064524, 25080655, 40129048, 50161310, 100322620, 200645240]

約数ペア:

[(1, 200645240), (2, 100322620), (4, 50161310), (5, 40129048), (8, 25080655), (10, 20064524), (20, 10032262), (40, 5016131), (281, 714040), (562, 357020), (1124, 178510), (1405, 142808), (2248, 89255), (2810, 71404), (5620, 35702), (11240, 17851)]