138264080

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{8191}}^1$

素因数の和:8415

約数の個数: 40

約数和(自身を含む): 323026944

約数和(自身を除く): 184762864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8191, 8440, 16382, 16880, 32764, 40955, 65528, 81910, 131056, 163820, 327640, 655280, 1728301, 3456602, 6913204, 8641505, 13826408, 17283010, 27652816, 34566020, 69132040, 138264080]

約数ペア:

[(1, 138264080), (2, 69132040), (4, 34566020), (5, 27652816), (8, 17283010), (10, 13826408), (16, 8641505), (20, 6913204), (40, 3456602), (80, 1728301), (211, 655280), (422, 327640), (844, 163820), (1055, 131056), (1688, 81910), (2110, 65528), (3376, 40955), (4220, 32764), (8191, 16880), (8440, 16382)]