20190080

素因数分解:

$2^7\times 5^1\times {\mathrm{31547}}^1$

素因数の和:31566

約数の個数: 32

約数和(自身を含む): 48268440

約数和(自身を除く): 28078360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31547, 63094, 126188, 157735, 252376, 315470, 504752, 630940, 1009504, 1261880, 2019008, 2523760, 4038016, 5047520, 10095040, 20190080]

約数ペア:

[(1, 20190080), (2, 10095040), (4, 5047520), (5, 4038016), (8, 2523760), (10, 2019008), (16, 1261880), (20, 1009504), (32, 630940), (40, 504752), (64, 315470), (80, 252376), (128, 157735), (160, 126188), (320, 63094), (640, 31547)]