2153020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1297}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 4579344

約数和(自身を除く): 2426324

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1297, 1660, 2594, 5188, 6485, 12970, 25940, 107651, 215302, 430604, 538255, 1076510, 2153020]

約数ペア:

[(1, 2153020), (2, 1076510), (4, 538255), (5, 430604), (10, 215302), (20, 107651), (83, 25940), (166, 12970), (332, 6485), (415, 5188), (830, 2594), (1297, 1660)]