19942500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{2659}}^1$

素因数の和:2686

約数の個数: 60

約数和(自身を含む): 58168880

約数和(自身を除く): 38226380

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, 2659, 3750, 5318, 7500, 7977, 10636, 13295, 15954, 26590, 31908, 39885, 53180, 66475, 79770, 132950, 159540, 199425, 265900, 332375, 398850, 664750, 797700, 997125, 1329500, 1661875, 1994250, 3323750, 3988500, 4985625, 6647500, 9971250, 19942500]

約数ペア:

[(1, 19942500), (2, 9971250), (3, 6647500), (4, 4985625), (5, 3988500), (6, 3323750), (10, 1994250), (12, 1661875), (15, 1329500), (20, 997125), (25, 797700), (30, 664750), (50, 398850), (60, 332375), (75, 265900), (100, 199425), (125, 159540), (150, 132950), (250, 79770), (300, 66475), (375, 53180), (500, 39885), (625, 31908), (750, 26590), (1250, 15954), (1500, 13295), (1875, 10636), (2500, 7977), (2659, 7500), (3750, 5318)]