1286350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1979}}^1$

素因数の和:2004

約数の個数: 24

約数和(自身を含む): 2577960

約数和(自身を除く): 1291610

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 1979, 3958, 9895, 19790, 25727, 49475, 51454, 98950, 128635, 257270, 643175, 1286350]

約数ペア:

[(1, 1286350), (2, 643175), (5, 257270), (10, 128635), (13, 98950), (25, 51454), (26, 49475), (50, 25727), (65, 19790), (130, 9895), (325, 3958), (650, 1979)]