40655680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:396

約数の個数: 112

約数和(自身を含む): 108173520

約数和(自身を除く): 67517840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 130, 145, 160, 208, 232, 260, 290, 320, 337, 377, 416, 464, 520, 580, 674, 754, 832, 928, 1040, 1160, 1348, 1508, 1685, 1856, 1885, 2080, 2320, 2696, 3016, 3370, 3770, 4160, 4381, 4640, 5392, 6032, 6740, 7540, 8762, 9280, 9773, 10784, 12064, 13480, 15080, 17524, 19546, 21568, 21905, 24128, 26960, 30160, 35048, 39092, 43810, 48865, 53920, 60320, 70096, 78184, 87620, 97730, 107840, 120640, 127049, 140192, 156368, 175240, 195460, 254098, 280384, 312736, 350480, 390920, 508196, 625472, 635245, 700960, 781840, 1016392, 1270490, 1401920, 1563680, 2032784, 2540980, 3127360, 4065568, 5081960, 8131136, 10163920, 20327840, 40655680]

約数ペア:

[(1, 40655680), (2, 20327840), (4, 10163920), (5, 8131136), (8, 5081960), (10, 4065568), (13, 3127360), (16, 2540980), (20, 2032784), (26, 1563680), (29, 1401920), (32, 1270490), (40, 1016392), (52, 781840), (58, 700960), (64, 635245), (65, 625472), (80, 508196), (104, 390920), (116, 350480), (130, 312736), (145, 280384), (160, 254098), (208, 195460), (232, 175240), (260, 156368), (290, 140192), (320, 127049), (337, 120640), (377, 107840), (416, 97730), (464, 87620), (520, 78184), (580, 70096), (674, 60320), (754, 53920), (832, 48865), (928, 43810), (1040, 39092), (1160, 35048), (1348, 30160), (1508, 26960), (1685, 24128), (1856, 21905), (1885, 21568), (2080, 19546), (2320, 17524), (2696, 15080), (3016, 13480), (3370, 12064), (3770, 10784), (4160, 9773), (4381, 9280), (4640, 8762), (5392, 7540), (6032, 6740)]