51938960

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1871}}^1$

素因数の和:2231

約数の個数: 40

約数和(自身を含む): 121170816

約数和(自身を除く): 69231856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 694, 1388, 1735, 1871, 2776, 3470, 3742, 5552, 6940, 7484, 9355, 13880, 14968, 18710, 27760, 29936, 37420, 74840, 149680, 649237, 1298474, 2596948, 3246185, 5193896, 6492370, 10387792, 12984740, 25969480, 51938960]

約数ペア:

[(1, 51938960), (2, 25969480), (4, 12984740), (5, 10387792), (8, 6492370), (10, 5193896), (16, 3246185), (20, 2596948), (40, 1298474), (80, 649237), (347, 149680), (694, 74840), (1388, 37420), (1735, 29936), (1871, 27760), (2776, 18710), (3470, 14968), (3742, 13880), (5552, 9355), (6940, 7484)]