5156860

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{643}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 10873296

約数和(自身を除く): 5716436

約数列:

[1, 2, 4, 5, 10, 20, 401, 643, 802, 1286, 1604, 2005, 2572, 3215, 4010, 6430, 8020, 12860, 257843, 515686, 1031372, 1289215, 2578430, 5156860]

約数ペア:

[(1, 5156860), (2, 2578430), (4, 1289215), (5, 1031372), (10, 515686), (20, 257843), (401, 12860), (643, 8020), (802, 6430), (1286, 4010), (1604, 3215), (2005, 2572)]