201984920

素因数分解:

$2^3\times 5^1\times {\mathrm{5049623}}^1$

素因数の和:5049634

約数の個数: 16

約数和(自身を含む): 454466160

約数和(自身を除く): 252481240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5049623, 10099246, 20198492, 25248115, 40396984, 50496230, 100992460, 201984920]

約数ペア:

[(1, 201984920), (2, 100992460), (4, 50496230), (5, 40396984), (8, 25248115), (10, 20198492), (20, 10099246), (40, 5049623)]