127905040

素因数分解:

$2^4\times 5^1\times {\mathrm{1598813}}^1$

素因数の和:1598826

約数の個数: 20

約数和(自身を含む): 297379404

約数和(自身を除く): 169474364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1598813, 3197626, 6395252, 7994065, 12790504, 15988130, 25581008, 31976260, 63952520, 127905040]

約数ペア:

[(1, 127905040), (2, 63952520), (4, 31976260), (5, 25581008), (8, 15988130), (10, 12790504), (16, 7994065), (20, 6395252), (40, 3197626), (80, 1598813)]