51995840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:490

約数の個数: 112

約数和(自身を含む): 138257280

約数和(自身を除く): 86261440

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, 377, 416, 431, 464, 520, 580, 754, 832, 862, 928, 1040, 1160, 1508, 1724, 1856, 1885, 2080, 2155, 2320, 3016, 3448, 3770, 4160, 4310, 4640, 5603, 6032, 6896, 7540, 8620, 9280, 11206, 12064, 12499, 13792, 15080, 17240, 22412, 24128, 24998, 27584, 28015, 30160, 34480, 44824, 49996, 56030, 60320, 62495, 68960, 89648, 99992, 112060, 120640, 124990, 137920, 162487, 179296, 199984, 224120, 249980, 324974, 358592, 399968, 448240, 499960, 649948, 799936, 812435, 896480, 999920, 1299896, 1624870, 1792960, 1999840, 2599792, 3249740, 3999680, 5199584, 6499480, 10399168, 12998960, 25997920, 51995840]

約数ペア:

[(1, 51995840), (2, 25997920), (4, 12998960), (5, 10399168), (8, 6499480), (10, 5199584), (13, 3999680), (16, 3249740), (20, 2599792), (26, 1999840), (29, 1792960), (32, 1624870), (40, 1299896), (52, 999920), (58, 896480), (64, 812435), (65, 799936), (80, 649948), (104, 499960), (116, 448240), (130, 399968), (145, 358592), (160, 324974), (208, 249980), (232, 224120), (260, 199984), (290, 179296), (320, 162487), (377, 137920), (416, 124990), (431, 120640), (464, 112060), (520, 99992), (580, 89648), (754, 68960), (832, 62495), (862, 60320), (928, 56030), (1040, 49996), (1160, 44824), (1508, 34480), (1724, 30160), (1856, 28015), (1885, 27584), (2080, 24998), (2155, 24128), (2320, 22412), (3016, 17240), (3448, 15080), (3770, 13792), (4160, 12499), (4310, 12064), (4640, 11206), (5603, 9280), (6032, 8620), (6896, 7540)]