201285640

素因数分解:

$2^3\times 5^1\times {\mathrm{677}}^1\times {\mathrm{7433}}^1$

素因数の和:8121

約数の個数: 32

約数和(自身を含む): 453622680

約数和(自身を除く): 252337040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 677, 1354, 2708, 3385, 5416, 6770, 7433, 13540, 14866, 27080, 29732, 37165, 59464, 74330, 148660, 297320, 5032141, 10064282, 20128564, 25160705, 40257128, 50321410, 100642820, 201285640]

約数ペア:

[(1, 201285640), (2, 100642820), (4, 50321410), (5, 40257128), (8, 25160705), (10, 20128564), (20, 10064282), (40, 5032141), (677, 297320), (1354, 148660), (2708, 74330), (3385, 59464), (5416, 37165), (6770, 29732), (7433, 27080), (13540, 14866)]