127309040

素因数分解:

$2^4\times 5^1\times {\mathrm{1591363}}^1$

素因数の和:1591376

約数の個数: 20

約数和(自身を含む): 295993704

約数和(自身を除く): 168684664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1591363, 3182726, 6365452, 7956815, 12730904, 15913630, 25461808, 31827260, 63654520, 127309040]

約数ペア:

[(1, 127309040), (2, 63654520), (4, 31827260), (5, 25461808), (8, 15913630), (10, 12730904), (16, 7956815), (20, 6365452), (40, 3182726), (80, 1591363)]