26464540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18637}}^1$

素因数の和:18717

約数の個数: 24

約数和(自身を含む): 56361312

約数和(自身を除く): 29896772

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18637, 37274, 74548, 93185, 186370, 372740, 1323227, 2646454, 5292908, 6616135, 13232270, 26464540]

約数ペア:

[(1, 26464540), (2, 13232270), (4, 6616135), (5, 5292908), (10, 2646454), (20, 1323227), (71, 372740), (142, 186370), (284, 93185), (355, 74548), (710, 37274), (1420, 18637)]