2028680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1237}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 4679640

約数和(自身を除く): 2650960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1237, 1640, 2474, 4948, 6185, 9896, 12370, 24740, 49480, 50717, 101434, 202868, 253585, 405736, 507170, 1014340, 2028680]

約数ペア:

[(1, 2028680), (2, 1014340), (4, 507170), (5, 405736), (8, 253585), (10, 202868), (20, 101434), (40, 50717), (41, 49480), (82, 24740), (164, 12370), (205, 9896), (328, 6185), (410, 4948), (820, 2474), (1237, 1640)]