4262000

素因数分解:

$2^4\times 5^3\times {\mathrm{2131}}^1$

素因数の和:2154

約数の個数: 40

約数和(自身を含む): 10310352

約数和(自身を除く): 6048352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 2131, 4262, 8524, 10655, 17048, 21310, 34096, 42620, 53275, 85240, 106550, 170480, 213100, 266375, 426200, 532750, 852400, 1065500, 2131000, 4262000]

約数ペア:

[(1, 4262000), (2, 2131000), (4, 1065500), (5, 852400), (8, 532750), (10, 426200), (16, 266375), (20, 213100), (25, 170480), (40, 106550), (50, 85240), (80, 53275), (100, 42620), (125, 34096), (200, 21310), (250, 17048), (400, 10655), (500, 8524), (1000, 4262), (2000, 2131)]