49996760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{571}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 123552000

約数和(自身を除く): 73555240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 199, 220, 398, 440, 571, 796, 995, 1142, 1592, 1990, 2189, 2284, 2855, 3980, 4378, 4568, 5710, 6281, 7960, 8756, 10945, 11420, 12562, 17512, 21890, 22840, 25124, 31405, 43780, 50248, 62810, 87560, 113629, 125620, 227258, 251240, 454516, 568145, 909032, 1136290, 1249919, 2272580, 2499838, 4545160, 4999676, 6249595, 9999352, 12499190, 24998380, 49996760]

約数ペア:

[(1, 49996760), (2, 24998380), (4, 12499190), (5, 9999352), (8, 6249595), (10, 4999676), (11, 4545160), (20, 2499838), (22, 2272580), (40, 1249919), (44, 1136290), (55, 909032), (88, 568145), (110, 454516), (199, 251240), (220, 227258), (398, 125620), (440, 113629), (571, 87560), (796, 62810), (995, 50248), (1142, 43780), (1592, 31405), (1990, 25124), (2189, 22840), (2284, 21890), (2855, 17512), (3980, 12562), (4378, 11420), (4568, 10945), (5710, 8756), (6281, 7960)]