68190680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{27947}}^1$

素因数の和:28019

約数の個数: 32

約数和(自身を含む): 155949840

約数和(自身を除く): 87759160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 27947, 55894, 111788, 139735, 223576, 279470, 558940, 1117880, 1704767, 3409534, 6819068, 8523835, 13638136, 17047670, 34095340, 68190680]

約数ペア:

[(1, 68190680), (2, 34095340), (4, 17047670), (5, 13638136), (8, 8523835), (10, 6819068), (20, 3409534), (40, 1704767), (61, 1117880), (122, 558940), (244, 279470), (305, 223576), (488, 139735), (610, 111788), (1220, 55894), (2440, 27947)]