8434000

素因数分解:

$2^4\times 5^3\times {\mathrm{4217}}^1$

素因数の和:4240

約数の個数: 40

約数和(自身を含む): 20398248

約数和(自身を除く): 11964248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 4217, 8434, 16868, 21085, 33736, 42170, 67472, 84340, 105425, 168680, 210850, 337360, 421700, 527125, 843400, 1054250, 1686800, 2108500, 4217000, 8434000]

約数ペア:

[(1, 8434000), (2, 4217000), (4, 2108500), (5, 1686800), (8, 1054250), (10, 843400), (16, 527125), (20, 421700), (25, 337360), (40, 210850), (50, 168680), (80, 105425), (100, 84340), (125, 67472), (200, 42170), (250, 33736), (400, 21085), (500, 16868), (1000, 8434), (2000, 4217)]