16868000

素因数分解:

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

素因数の和:4242

約数の個数: 48

約数和(自身を含む): 41454504

約数和(自身を除く): 24586504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 4217, 8434, 16868, 21085, 33736, 42170, 67472, 84340, 105425, 134944, 168680, 210850, 337360, 421700, 527125, 674720, 843400, 1054250, 1686800, 2108500, 3373600, 4217000, 8434000, 16868000]

約数ペア:

[(1, 16868000), (2, 8434000), (4, 4217000), (5, 3373600), (8, 2108500), (10, 1686800), (16, 1054250), (20, 843400), (25, 674720), (32, 527125), (40, 421700), (50, 337360), (80, 210850), (100, 168680), (125, 134944), (160, 105425), (200, 84340), (250, 67472), (400, 42170), (500, 33736), (800, 21085), (1000, 16868), (2000, 8434), (4000, 4217)]