1279430080

素因数分解:

$2^6\times 5^1\times {\mathrm{3998219}}^1$

素因数の和:3998236

約数の個数: 28

約数和(自身を含む): 3046643640

約数和(自身を除く): 1767213560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 3998219, 7996438, 15992876, 19991095, 31985752, 39982190, 63971504, 79964380, 127943008, 159928760, 255886016, 319857520, 639715040, 1279430080]

約数ペア:

[(1, 1279430080), (2, 639715040), (4, 319857520), (5, 255886016), (8, 159928760), (10, 127943008), (16, 79964380), (20, 63971504), (32, 39982190), (40, 31985752), (64, 19991095), (80, 15992876), (160, 7996438), (320, 3998219)]