80241040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91183}}^1$

素因数の和:91207

約数の個数: 40

約数和(自身を含む): 203522688

約数和(自身を除く): 123281648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 91183, 182366, 364732, 455915, 729464, 911830, 1003013, 1458928, 1823660, 2006026, 3647320, 4012052, 5015065, 7294640, 8024104, 10030130, 16048208, 20060260, 40120520, 80241040]

約数ペア:

[(1, 80241040), (2, 40120520), (4, 20060260), (5, 16048208), (8, 10030130), (10, 8024104), (11, 7294640), (16, 5015065), (20, 4012052), (22, 3647320), (40, 2006026), (44, 1823660), (55, 1458928), (80, 1003013), (88, 911830), (110, 729464), (176, 455915), (220, 364732), (440, 182366), (880, 91183)]