129246080

素因数分解:

$2^7\times 5^1\times {\mathrm{201947}}^1$

素因数の和:201966

約数の個数: 32

約数和(自身を含む): 308980440

約数和(自身を除く): 179734360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 201947, 403894, 807788, 1009735, 1615576, 2019470, 3231152, 4038940, 6462304, 8077880, 12924608, 16155760, 25849216, 32311520, 64623040, 129246080]

約数ペア:

[(1, 129246080), (2, 64623040), (4, 32311520), (5, 25849216), (8, 16155760), (10, 12924608), (16, 8077880), (20, 6462304), (32, 4038940), (40, 3231152), (64, 2019470), (80, 1615576), (128, 1009735), (160, 807788), (320, 403894), (640, 201947)]