200840389840

素因数分解:

$2^4\times 5^1\times {\mathrm{2510504873}}^1$

素因数の和:2510504886

約数の個数: 20

約数和(自身を含む): 466953906564

約数和(自身を除く): 266113516724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2510504873, 5021009746, 10042019492, 12552524365, 20084038984, 25105048730, 40168077968, 50210097460, 100420194920, 200840389840]

約数ペア:

[(1, 200840389840), (2, 100420194920), (4, 50210097460), (5, 40168077968), (8, 25105048730), (10, 20084038984), (16, 12552524365), (20, 10042019492), (40, 5021009746), (80, 2510504873)]