26928528080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5518141}}^1$

素因数の和:5518215

約数の個数: 40

約数和(自身を含む): 63635213544

約数和(自身を除く): 36706685464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5518141, 11036282, 22072564, 27590705, 44145128, 55181410, 88290256, 110362820, 220725640, 336606601, 441451280, 673213202, 1346426404, 1683033005, 2692852808, 3366066010, 5385705616, 6732132020, 13464264040, 26928528080]

約数ペア:

[(1, 26928528080), (2, 13464264040), (4, 6732132020), (5, 5385705616), (8, 3366066010), (10, 2692852808), (16, 1683033005), (20, 1346426404), (40, 673213202), (61, 441451280), (80, 336606601), (122, 220725640), (244, 110362820), (305, 88290256), (488, 55181410), (610, 44145128), (976, 27590705), (1220, 22072564), (2440, 11036282), (4880, 5518141)]