1025180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3943}}^1$

素因数の和:3965

約数の個数: 24

約数和(自身を含む): 2319072

約数和(自身を除く): 1293892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3943, 7886, 15772, 19715, 39430, 51259, 78860, 102518, 205036, 256295, 512590, 1025180]

約数ペア:

[(1, 1025180), (2, 512590), (4, 256295), (5, 205036), (10, 102518), (13, 78860), (20, 51259), (26, 39430), (52, 19715), (65, 15772), (130, 7886), (260, 3943)]