15987950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{709}}^1$

素因数の和:773

約数の個数: 48

約数和(自身を含む): 33279120

約数和(自身を除く): 17291170

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 82, 110, 205, 275, 410, 451, 550, 709, 902, 1025, 1418, 2050, 2255, 3545, 4510, 7090, 7799, 11275, 15598, 17725, 22550, 29069, 35450, 38995, 58138, 77990, 145345, 194975, 290690, 319759, 389950, 639518, 726725, 1453450, 1598795, 3197590, 7993975, 15987950]

約数ペア:

[(1, 15987950), (2, 7993975), (5, 3197590), (10, 1598795), (11, 1453450), (22, 726725), (25, 639518), (41, 389950), (50, 319759), (55, 290690), (82, 194975), (110, 145345), (205, 77990), (275, 58138), (410, 38995), (451, 35450), (550, 29069), (709, 22550), (902, 17725), (1025, 15598), (1418, 11275), (2050, 7799), (2255, 7090), (3545, 4510)]