80082500

素因数分解:

$2^2\times 5^4\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:438

約数の個数: 60

約数和(自身を含む): 177393216

約数和(自身を除く): 97310716

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 125, 206, 250, 311, 412, 500, 515, 622, 625, 1030, 1244, 1250, 1555, 2060, 2500, 2575, 3110, 5150, 6220, 7775, 10300, 12875, 15550, 25750, 31100, 32033, 38875, 51500, 64066, 64375, 77750, 128132, 128750, 155500, 160165, 194375, 257500, 320330, 388750, 640660, 777500, 800825, 1601650, 3203300, 4004125, 8008250, 16016500, 20020625, 40041250, 80082500]

約数ペア:

[(1, 80082500), (2, 40041250), (4, 20020625), (5, 16016500), (10, 8008250), (20, 4004125), (25, 3203300), (50, 1601650), (100, 800825), (103, 777500), (125, 640660), (206, 388750), (250, 320330), (311, 257500), (412, 194375), (500, 160165), (515, 155500), (622, 128750), (625, 128132), (1030, 77750), (1244, 64375), (1250, 64066), (1555, 51500), (2060, 38875), (2500, 32033), (2575, 31100), (3110, 25750), (5150, 15550), (6220, 12875), (7775, 10300)]