40647760

素因数分解:

$2^4\times 5^1\times {\mathrm{508097}}^1$

素因数の和:508110

約数の個数: 20

約数和(自身を含む): 94506228

約数和(自身を除く): 53858468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 508097, 1016194, 2032388, 2540485, 4064776, 5080970, 8129552, 10161940, 20323880, 40647760]

約数ペア:

[(1, 40647760), (2, 20323880), (4, 10161940), (5, 8129552), (8, 5080970), (10, 4064776), (16, 2540485), (20, 2032388), (40, 1016194), (80, 508097)]