1293220900

素因数分解:

$2^2\times 5^2\times {\mathrm{12932209}}^1$

素因数の和:12932223

約数の個数: 18

約数和(自身を含む): 2806289570

約数和(自身を除く): 1513068670

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 12932209, 25864418, 51728836, 64661045, 129322090, 258644180, 323305225, 646610450, 1293220900]

約数ペア:

[(1, 1293220900), (2, 646610450), (4, 323305225), (5, 258644180), (10, 129322090), (20, 64661045), (25, 51728836), (50, 25864418), (100, 12932209)]