40889008

素因数分解:

$2^4\times {\mathrm{1021}}^1\times {\mathrm{2503}}^1$

素因数の和:3532

約数の個数: 20

約数和(自身を含む): 79331728

約数和(自身を除く): 38442720

約数列:

[1, 2, 4, 8, 16, 1021, 2042, 2503, 4084, 5006, 8168, 10012, 16336, 20024, 40048, 2555563, 5111126, 10222252, 20444504, 40889008]

約数ペア:

[(1, 40889008), (2, 20444504), (4, 10222252), (8, 5111126), (16, 2555563), (1021, 40048), (2042, 20024), (2503, 16336), (4084, 10012), (5006, 8168)]