178928080

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{26947}}^1$

素因数の和:27043

約数の個数: 40

約数和(自身を含む): 421035552

約数和(自身を除く): 242107472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 26947, 53894, 107788, 134735, 215576, 269470, 431152, 538940, 1077880, 2155760, 2236601, 4473202, 8946404, 11183005, 17892808, 22366010, 35785616, 44732020, 89464040, 178928080]

約数ペア:

[(1, 178928080), (2, 89464040), (4, 44732020), (5, 35785616), (8, 22366010), (10, 17892808), (16, 11183005), (20, 8946404), (40, 4473202), (80, 2236601), (83, 2155760), (166, 1077880), (332, 538940), (415, 431152), (664, 269470), (830, 215576), (1328, 134735), (1660, 107788), (3320, 53894), (6640, 26947)]