137289380

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{10709}}^1$

素因数の和:11359

約数の個数: 24

約数和(自身を含む): 288784440

約数和(自身を除く): 151495060

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 10709, 12820, 21418, 42836, 53545, 107090, 214180, 6864469, 13728938, 27457876, 34322345, 68644690, 137289380]

約数ペア:

[(1, 137289380), (2, 68644690), (4, 34322345), (5, 27457876), (10, 13728938), (20, 6864469), (641, 214180), (1282, 107090), (2564, 53545), (3205, 42836), (6410, 21418), (10709, 12820)]