1284752440

素因数分解:

$2^3\times 5^1\times {\mathrm{32118811}}^1$

素因数の和:32118822

約数の個数: 16

約数和(自身を含む): 2890693080

約数和(自身を除く): 1605940640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 32118811, 64237622, 128475244, 160594055, 256950488, 321188110, 642376220, 1284752440]

約数ペア:

[(1, 1284752440), (2, 642376220), (4, 321188110), (5, 256950488), (8, 160594055), (10, 128475244), (20, 64237622), (40, 32118811)]