4889740

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2243}}^1$

素因数の和:2361

約数の個数: 24

約数和(自身を含む): 10367280

約数和(自身を除く): 5477540

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 2243, 4486, 8972, 11215, 22430, 44860, 244487, 488974, 977948, 1222435, 2444870, 4889740]

約数ペア:

[(1, 4889740), (2, 2444870), (4, 1222435), (5, 977948), (10, 488974), (20, 244487), (109, 44860), (218, 22430), (436, 11215), (545, 8972), (1090, 4486), (2180, 2243)]