13338940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16267}}^1$

素因数の和:16317

約数の個数: 24

約数和(自身を含む): 28696752

約数和(自身を除く): 15357812

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 16267, 32534, 65068, 81335, 162670, 325340, 666947, 1333894, 2667788, 3334735, 6669470, 13338940]

約数ペア:

[(1, 13338940), (2, 6669470), (4, 3334735), (5, 2667788), (10, 1333894), (20, 666947), (41, 325340), (82, 162670), (164, 81335), (205, 65068), (410, 32534), (820, 16267)]