16569520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1034

約数の個数: 80

約数和(自身を含む): 44282880

約数和(自身を除く): 27713360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 991, 1045, 1520, 1672, 1982, 2090, 3344, 3964, 4180, 4955, 7928, 8360, 9910, 10901, 15856, 16720, 18829, 19820, 21802, 37658, 39640, 43604, 54505, 75316, 79280, 87208, 94145, 109010, 150632, 174416, 188290, 207119, 218020, 301264, 376580, 414238, 436040, 753160, 828476, 872080, 1035595, 1506320, 1656952, 2071190, 3313904, 4142380, 8284760, 16569520]

約数ペア:

[(1, 16569520), (2, 8284760), (4, 4142380), (5, 3313904), (8, 2071190), (10, 1656952), (11, 1506320), (16, 1035595), (19, 872080), (20, 828476), (22, 753160), (38, 436040), (40, 414238), (44, 376580), (55, 301264), (76, 218020), (80, 207119), (88, 188290), (95, 174416), (110, 150632), (152, 109010), (176, 94145), (190, 87208), (209, 79280), (220, 75316), (304, 54505), (380, 43604), (418, 39640), (440, 37658), (760, 21802), (836, 19820), (880, 18829), (991, 16720), (1045, 15856), (1520, 10901), (1672, 9910), (1982, 8360), (2090, 7928), (3344, 4955), (3964, 4180)]