2758460

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1289}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 5851440

約数和(自身を除く): 3092980

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 1289, 2140, 2578, 5156, 6445, 12890, 25780, 137923, 275846, 551692, 689615, 1379230, 2758460]

約数ペア:

[(1, 2758460), (2, 1379230), (4, 689615), (5, 551692), (10, 275846), (20, 137923), (107, 25780), (214, 12890), (428, 6445), (535, 5156), (1070, 2578), (1289, 2140)]