20152500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{2687}}^1$

素因数の和:2714

約数の個数: 60

約数和(自身を含む): 58781184

約数和(自身を除く): 38628684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 2687, 3750, 5374, 7500, 8061, 10748, 13435, 16122, 26870, 32244, 40305, 53740, 67175, 80610, 134350, 161220, 201525, 268700, 335875, 403050, 671750, 806100, 1007625, 1343500, 1679375, 2015250, 3358750, 4030500, 5038125, 6717500, 10076250, 20152500]

約数ペア:

[(1, 20152500), (2, 10076250), (3, 6717500), (4, 5038125), (5, 4030500), (6, 3358750), (10, 2015250), (12, 1679375), (15, 1343500), (20, 1007625), (25, 806100), (30, 671750), (50, 403050), (60, 335875), (75, 268700), (100, 201525), (125, 161220), (150, 134350), (250, 80610), (300, 67175), (375, 53740), (500, 40305), (625, 32244), (750, 26870), (1250, 16122), (1500, 13435), (1875, 10748), (2500, 8061), (2687, 7500), (3750, 5374)]