51727520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1913}}^1$

素因数の和:1954

約数の個数: 72

約数和(自身を含む): 132399036

約数和(自身を除く): 80671516

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 1913, 2080, 2704, 3380, 3826, 5408, 6760, 7652, 9565, 13520, 15304, 19130, 24869, 27040, 30608, 38260, 49738, 61216, 76520, 99476, 124345, 153040, 198952, 248690, 306080, 323297, 397904, 497380, 646594, 795808, 994760, 1293188, 1616485, 1989520, 2586376, 3232970, 3979040, 5172752, 6465940, 10345504, 12931880, 25863760, 51727520]

約数ペア:

[(1, 51727520), (2, 25863760), (4, 12931880), (5, 10345504), (8, 6465940), (10, 5172752), (13, 3979040), (16, 3232970), (20, 2586376), (26, 1989520), (32, 1616485), (40, 1293188), (52, 994760), (65, 795808), (80, 646594), (104, 497380), (130, 397904), (160, 323297), (169, 306080), (208, 248690), (260, 198952), (338, 153040), (416, 124345), (520, 99476), (676, 76520), (845, 61216), (1040, 49738), (1352, 38260), (1690, 30608), (1913, 27040), (2080, 24869), (2704, 19130), (3380, 15304), (3826, 13520), (5408, 9565), (6760, 7652)]