2885711480

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{110479}}^1$

素因数の和:111143

約数の個数: 32

約数和(自身を含む): 6502852800

約数和(自身を除く): 3617141320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 13060, 26120, 110479, 220958, 441916, 552395, 883832, 1104790, 2209580, 4419160, 72142787, 144285574, 288571148, 360713935, 577142296, 721427870, 1442855740, 2885711480]

約数ペア:

[(1, 2885711480), (2, 1442855740), (4, 721427870), (5, 577142296), (8, 360713935), (10, 288571148), (20, 144285574), (40, 72142787), (653, 4419160), (1306, 2209580), (2612, 1104790), (3265, 883832), (5224, 552395), (6530, 441916), (13060, 220958), (26120, 110479)]