804938380

素因数分解:

$2^2\times 5^1\times {\mathrm{1867}}^1\times {\mathrm{21557}}^1$

素因数の和:23433

約数の個数: 24

約数和(自身を含む): 1691354448

約数和(自身を除く): 886416068

約数列:

[1, 2, 4, 5, 10, 20, 1867, 3734, 7468, 9335, 18670, 21557, 37340, 43114, 86228, 107785, 215570, 431140, 40246919, 80493838, 160987676, 201234595, 402469190, 804938380]

約数ペア:

[(1, 804938380), (2, 402469190), (4, 201234595), (5, 160987676), (10, 80493838), (20, 40246919), (1867, 431140), (3734, 215570), (7468, 107785), (9335, 86228), (18670, 43114), (21557, 37340)]