8981001040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10205683}}^1$

素因数の和:10205707

約数の個数: 40

約数和(自身を含む): 22779086688

約数和(自身を除く): 13798085648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 10205683, 20411366, 40822732, 51028415, 81645464, 102056830, 112262513, 163290928, 204113660, 224525026, 408227320, 449050052, 561312565, 816454640, 898100104, 1122625130, 1796200208, 2245250260, 4490500520, 8981001040]

約数ペア:

[(1, 8981001040), (2, 4490500520), (4, 2245250260), (5, 1796200208), (8, 1122625130), (10, 898100104), (11, 816454640), (16, 561312565), (20, 449050052), (22, 408227320), (40, 224525026), (44, 204113660), (55, 163290928), (80, 112262513), (88, 102056830), (110, 81645464), (176, 51028415), (220, 40822732), (440, 20411366), (880, 10205683)]