31049740

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14243}}^1$

素因数の和:14361

約数の個数: 24

約数和(自身を含む): 65807280

約数和(自身を除く): 34757540

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 14243, 28486, 56972, 71215, 142430, 284860, 1552487, 3104974, 6209948, 7762435, 15524870, 31049740]

約数ペア:

[(1, 31049740), (2, 15524870), (4, 7762435), (5, 6209948), (10, 3104974), (20, 1552487), (109, 284860), (218, 142430), (436, 71215), (545, 56972), (1090, 28486), (2180, 14243)]