804950840

素因数分解:

$2^3\times 5^1\times {\mathrm{20123771}}^1$

素因数の和:20123782

約数の個数: 16

約数和(自身を含む): 1811139480

約数和(自身を除く): 1006188640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20123771, 40247542, 80495084, 100618855, 160990168, 201237710, 402475420, 804950840]

約数ペア:

[(1, 804950840), (2, 402475420), (4, 201237710), (5, 160990168), (8, 100618855), (10, 80495084), (20, 40247542), (40, 20123771)]