81018080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3541}}^1$

素因数の和:3580

約数の個数: 96

約数和(自身を含む): 224931168

約数和(自身を除く): 143913088

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 352, 416, 440, 520, 572, 715, 880, 1040, 1144, 1430, 1760, 2080, 2288, 2860, 3541, 4576, 5720, 7082, 11440, 14164, 17705, 22880, 28328, 35410, 38951, 46033, 56656, 70820, 77902, 92066, 113312, 141640, 155804, 184132, 194755, 230165, 283280, 311608, 368264, 389510, 460330, 506363, 566560, 623216, 736528, 779020, 920660, 1012726, 1246432, 1473056, 1558040, 1841320, 2025452, 2531815, 3116080, 3682640, 4050904, 5063630, 6232160, 7365280, 8101808, 10127260, 16203616, 20254520, 40509040, 81018080]

約数ペア:

[(1, 81018080), (2, 40509040), (4, 20254520), (5, 16203616), (8, 10127260), (10, 8101808), (11, 7365280), (13, 6232160), (16, 5063630), (20, 4050904), (22, 3682640), (26, 3116080), (32, 2531815), (40, 2025452), (44, 1841320), (52, 1558040), (55, 1473056), (65, 1246432), (80, 1012726), (88, 920660), (104, 779020), (110, 736528), (130, 623216), (143, 566560), (160, 506363), (176, 460330), (208, 389510), (220, 368264), (260, 311608), (286, 283280), (352, 230165), (416, 194755), (440, 184132), (520, 155804), (572, 141640), (715, 113312), (880, 92066), (1040, 77902), (1144, 70820), (1430, 56656), (1760, 46033), (2080, 38951), (2288, 35410), (2860, 28328), (3541, 22880), (4576, 17705), (5720, 14164), (7082, 11440)]