2581100

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:554

約数の個数: 36

約数和(自身を含む): 5718384

約数和(自身を除く): 3137284

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 487, 530, 974, 1060, 1325, 1948, 2435, 2650, 4870, 5300, 9740, 12175, 24350, 25811, 48700, 51622, 103244, 129055, 258110, 516220, 645275, 1290550, 2581100]

約数ペア:

[(1, 2581100), (2, 1290550), (4, 645275), (5, 516220), (10, 258110), (20, 129055), (25, 103244), (50, 51622), (53, 48700), (100, 25811), (106, 24350), (212, 12175), (265, 9740), (487, 5300), (530, 4870), (974, 2650), (1060, 2435), (1325, 1948)]