80821840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3167}}^1$

素因数の和:3220

約数の個数: 80

約数和(自身を含む): 212129280

約数和(自身を除く): 131307440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3167, 3190, 5104, 6334, 6380, 12668, 12760, 15835, 25336, 25520, 31670, 34837, 50672, 63340, 69674, 91843, 126680, 139348, 174185, 183686, 253360, 278696, 348370, 367372, 459215, 557392, 696740, 734744, 918430, 1010273, 1393480, 1469488, 1836860, 2020546, 2786960, 3673720, 4041092, 5051365, 7347440, 8082184, 10102730, 16164368, 20205460, 40410920, 80821840]

約数ペア:

[(1, 80821840), (2, 40410920), (4, 20205460), (5, 16164368), (8, 10102730), (10, 8082184), (11, 7347440), (16, 5051365), (20, 4041092), (22, 3673720), (29, 2786960), (40, 2020546), (44, 1836860), (55, 1469488), (58, 1393480), (80, 1010273), (88, 918430), (110, 734744), (116, 696740), (145, 557392), (176, 459215), (220, 367372), (232, 348370), (290, 278696), (319, 253360), (440, 183686), (464, 174185), (580, 139348), (638, 126680), (880, 91843), (1160, 69674), (1276, 63340), (1595, 50672), (2320, 34837), (2552, 31670), (3167, 25520), (3190, 25336), (5104, 15835), (6334, 12760), (6380, 12668)]