80998720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23011}}^1$

素因数の和:23039

約数の個数: 56

約数和(自身を含む): 210421728

約数和(自身を除く): 129423008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 23011, 46022, 92044, 115055, 184088, 230110, 253121, 368176, 460220, 506242, 736352, 920440, 1012484, 1265605, 1472704, 1840880, 2024968, 2531210, 3681760, 4049936, 5062420, 7363520, 8099872, 10124840, 16199744, 20249680, 40499360, 80998720]

約数ペア:

[(1, 80998720), (2, 40499360), (4, 20249680), (5, 16199744), (8, 10124840), (10, 8099872), (11, 7363520), (16, 5062420), (20, 4049936), (22, 3681760), (32, 2531210), (40, 2024968), (44, 1840880), (55, 1472704), (64, 1265605), (80, 1012484), (88, 920440), (110, 736352), (160, 506242), (176, 460220), (220, 368176), (320, 253121), (352, 230110), (440, 184088), (704, 115055), (880, 92044), (1760, 46022), (3520, 23011)]