28841200

素因数分解:

$2^4\times 5^2\times {\mathrm{72103}}^1$

素因数の和:72121

約数の個数: 30

約数和(自身を含む): 69291944

約数和(自身を除く): 40450744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 72103, 144206, 288412, 360515, 576824, 721030, 1153648, 1442060, 1802575, 2884120, 3605150, 5768240, 7210300, 14420600, 28841200]

約数ペア:

[(1, 28841200), (2, 14420600), (4, 7210300), (5, 5768240), (8, 3605150), (10, 2884120), (16, 1802575), (20, 1442060), (25, 1153648), (40, 721030), (50, 576824), (80, 360515), (100, 288412), (200, 144206), (400, 72103)]