25975820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99907}}^1$

素因数の和:99929

約数の個数: 24

約数和(自身を含む): 58745904

約数和(自身を除く): 32770084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 99907, 199814, 399628, 499535, 999070, 1298791, 1998140, 2597582, 5195164, 6493955, 12987910, 25975820]

約数ペア:

[(1, 25975820), (2, 12987910), (4, 6493955), (5, 5195164), (10, 2597582), (13, 1998140), (20, 1298791), (26, 999070), (52, 499535), (65, 399628), (130, 199814), (260, 99907)]