1000240

素因数分解:

$2^4\times 5^1\times {\mathrm{12503}}^1$

素因数の和:12516

約数の個数: 20

約数和(自身を含む): 2325744

約数和(自身を除く): 1325504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12503, 25006, 50012, 62515, 100024, 125030, 200048, 250060, 500120, 1000240]

約数ペア:

[(1, 1000240), (2, 500120), (4, 250060), (5, 200048), (8, 125030), (10, 100024), (16, 62515), (20, 50012), (40, 25006), (80, 12503)]