40495040

素因数分解:

$2^6\times 5^1\times {\mathrm{126547}}^1$

素因数の和:126564

約数の個数: 28

約数和(自身を含む): 96429576

約数和(自身を除く): 55934536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 126547, 253094, 506188, 632735, 1012376, 1265470, 2024752, 2530940, 4049504, 5061880, 8099008, 10123760, 20247520, 40495040]

約数ペア:

[(1, 40495040), (2, 20247520), (4, 10123760), (5, 8099008), (8, 5061880), (10, 4049504), (16, 2530940), (20, 2024752), (32, 1265470), (40, 1012376), (64, 632735), (80, 506188), (160, 253094), (320, 126547)]