20194609360

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{129919}}^1$

素因数の和:130028

約数の個数: 80

約数和(自身を含む): 49296844800

約数和(自身を除く): 29102235440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 67, 80, 116, 134, 145, 232, 268, 290, 335, 464, 536, 580, 670, 1072, 1160, 1340, 1943, 2320, 2680, 3886, 5360, 7772, 9715, 15544, 19430, 31088, 38860, 77720, 129919, 155440, 259838, 519676, 649595, 1039352, 1299190, 2078704, 2598380, 3767651, 5196760, 7535302, 8704573, 10393520, 15070604, 17409146, 18838255, 30141208, 34818292, 37676510, 43522865, 60282416, 69636584, 75353020, 87045730, 139273168, 150706040, 174091460, 252432617, 301412080, 348182920, 504865234, 696365840, 1009730468, 1262163085, 2019460936, 2524326170, 4038921872, 5048652340, 10097304680, 20194609360]

約数ペア:

[(1, 20194609360), (2, 10097304680), (4, 5048652340), (5, 4038921872), (8, 2524326170), (10, 2019460936), (16, 1262163085), (20, 1009730468), (29, 696365840), (40, 504865234), (58, 348182920), (67, 301412080), (80, 252432617), (116, 174091460), (134, 150706040), (145, 139273168), (232, 87045730), (268, 75353020), (290, 69636584), (335, 60282416), (464, 43522865), (536, 37676510), (580, 34818292), (670, 30141208), (1072, 18838255), (1160, 17409146), (1340, 15070604), (1943, 10393520), (2320, 8704573), (2680, 7535302), (3886, 5196760), (5360, 3767651), (7772, 2598380), (9715, 2078704), (15544, 1299190), (19430, 1039352), (31088, 649595), (38860, 519676), (77720, 259838), (129919, 155440)]