1001200

素因数分解:

$2^4\times 5^2\times {\mathrm{2503}}^1$

素因数の和:2521

約数の個数: 30

約数和(自身を含む): 2406344

約数和(自身を除く): 1405144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2503, 5006, 10012, 12515, 20024, 25030, 40048, 50060, 62575, 100120, 125150, 200240, 250300, 500600, 1001200]

約数ペア:

[(1, 1001200), (2, 500600), (4, 250300), (5, 200240), (8, 125150), (10, 100120), (16, 62575), (20, 50060), (25, 40048), (40, 25030), (50, 20024), (80, 12515), (100, 10012), (200, 5006), (400, 2503)]