811220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{863}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 1741824

約数和(自身を除く): 930604

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 863, 940, 1726, 3452, 4315, 8630, 17260, 40561, 81122, 162244, 202805, 405610, 811220]

約数ペア:

[(1, 811220), (2, 405610), (4, 202805), (5, 162244), (10, 81122), (20, 40561), (47, 17260), (94, 8630), (188, 4315), (235, 3452), (470, 1726), (863, 940)]