168946640

素因数分解:

$2^4\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{1741}}^1$

素因数の和:2967

約数の個数: 40

約数和(自身を含む): 393350568

約数和(自身を除く): 224403928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1213, 1741, 2426, 3482, 4852, 6065, 6964, 8705, 9704, 12130, 13928, 17410, 19408, 24260, 27856, 34820, 48520, 69640, 97040, 139280, 2111833, 4223666, 8447332, 10559165, 16894664, 21118330, 33789328, 42236660, 84473320, 168946640]

約数ペア:

[(1, 168946640), (2, 84473320), (4, 42236660), (5, 33789328), (8, 21118330), (10, 16894664), (16, 10559165), (20, 8447332), (40, 4223666), (80, 2111833), (1213, 139280), (1741, 97040), (2426, 69640), (3482, 48520), (4852, 34820), (6065, 27856), (6964, 24260), (8705, 19408), (9704, 17410), (12130, 13928)]