8705480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31091}}^1$

素因数の和:31109

約数の個数: 32

約数和(自身を含む): 22386240

約数和(自身を除く): 13680760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 31091, 62182, 124364, 155455, 217637, 248728, 310910, 435274, 621820, 870548, 1088185, 1243640, 1741096, 2176370, 4352740, 8705480]

約数ペア:

[(1, 8705480), (2, 4352740), (4, 2176370), (5, 1741096), (7, 1243640), (8, 1088185), (10, 870548), (14, 621820), (20, 435274), (28, 310910), (35, 248728), (40, 217637), (56, 155455), (70, 124364), (140, 62182), (280, 31091)]