850190080

素因数分解:

$2^8\times 5^1\times {\mathrm{664211}}^1$

素因数の和:664232

約数の個数: 36

約数和(自身を含む): 2036473992

約数和(自身を除く): 1186283912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 664211, 1328422, 2656844, 3321055, 5313688, 6642110, 10627376, 13284220, 21254752, 26568440, 42509504, 53136880, 85019008, 106273760, 170038016, 212547520, 425095040, 850190080]

約数ペア:

[(1, 850190080), (2, 425095040), (4, 212547520), (5, 170038016), (8, 106273760), (10, 85019008), (16, 53136880), (20, 42509504), (32, 26568440), (40, 21254752), (64, 13284220), (80, 10627376), (128, 6642110), (160, 5313688), (256, 3321055), (320, 2656844), (640, 1328422), (1280, 664211)]