49821640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{569}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 123120000

約数和(自身を除く): 73298360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 199, 220, 398, 440, 569, 796, 995, 1138, 1592, 1990, 2189, 2276, 2845, 3980, 4378, 4552, 5690, 6259, 7960, 8756, 10945, 11380, 12518, 17512, 21890, 22760, 25036, 31295, 43780, 50072, 62590, 87560, 113231, 125180, 226462, 250360, 452924, 566155, 905848, 1132310, 1245541, 2264620, 2491082, 4529240, 4982164, 6227705, 9964328, 12455410, 24910820, 49821640]

約数ペア:

[(1, 49821640), (2, 24910820), (4, 12455410), (5, 9964328), (8, 6227705), (10, 4982164), (11, 4529240), (20, 2491082), (22, 2264620), (40, 1245541), (44, 1132310), (55, 905848), (88, 566155), (110, 452924), (199, 250360), (220, 226462), (398, 125180), (440, 113231), (569, 87560), (796, 62590), (995, 50072), (1138, 43780), (1592, 31295), (1990, 25036), (2189, 22760), (2276, 21890), (2845, 17512), (3980, 12518), (4378, 11380), (4552, 10945), (5690, 8756), (6259, 7960)]