389619040

素因数分解:

$2^5\times 5^1\times {\mathrm{2435119}}^1$

素因数の和:2435134

約数の個数: 24

約数和(自身を含む): 920475360

約数和(自身を除く): 530856320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2435119, 4870238, 9740476, 12175595, 19480952, 24351190, 38961904, 48702380, 77923808, 97404760, 194809520, 389619040]

約数ペア:

[(1, 389619040), (2, 194809520), (4, 97404760), (5, 77923808), (8, 48702380), (10, 38961904), (16, 24351190), (20, 19480952), (32, 12175595), (40, 9740476), (80, 4870238), (160, 2435119)]