216640

素因数分解:

$2^6\times 5^1\times {\mathrm{677}}^1$

素因数の和:694

約数の個数: 28

約数和(自身を含む): 516636

約数和(自身を除く): 299996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 677, 1354, 2708, 3385, 5416, 6770, 10832, 13540, 21664, 27080, 43328, 54160, 108320, 216640]

約数ペア:

[(1, 216640), (2, 108320), (4, 54160), (5, 43328), (8, 27080), (10, 21664), (16, 13540), (20, 10832), (32, 6770), (40, 5416), (64, 3385), (80, 2708), (160, 1354), (320, 677)]