800890760

素因数分解:

$2^3\times 5^1\times {\mathrm{20022269}}^1$

素因数の和:20022280

約数の個数: 16

約数和(自身を含む): 1802004300

約数和(自身を除く): 1001113540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20022269, 40044538, 80089076, 100111345, 160178152, 200222690, 400445380, 800890760]

約数ペア:

[(1, 800890760), (2, 400445380), (4, 200222690), (5, 160178152), (8, 100111345), (10, 80089076), (20, 40044538), (40, 20022269)]