1020200

素因数分解:

$2^3\times 5^2\times {\mathrm{5101}}^1$

素因数の和:5117

約数の個数: 24

約数和(自身を含む): 2372430

約数和(自身を除く): 1352230

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 5101, 10202, 20404, 25505, 40808, 51010, 102020, 127525, 204040, 255050, 510100, 1020200]

約数ペア:

[(1, 1020200), (2, 510100), (4, 255050), (5, 204040), (8, 127525), (10, 102020), (20, 51010), (25, 40808), (40, 25505), (50, 20404), (100, 10202), (200, 5101)]