66045520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43451}}^1$

素因数の和:43483

約数の個数: 40

約数和(自身を含む): 161641440

約数和(自身を除く): 95595920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 43451, 86902, 173804, 217255, 347608, 434510, 695216, 825569, 869020, 1651138, 1738040, 3302276, 3476080, 4127845, 6604552, 8255690, 13209104, 16511380, 33022760, 66045520]

約数ペア:

[(1, 66045520), (2, 33022760), (4, 16511380), (5, 13209104), (8, 8255690), (10, 6604552), (16, 4127845), (19, 3476080), (20, 3302276), (38, 1738040), (40, 1651138), (76, 869020), (80, 825569), (95, 695216), (152, 434510), (190, 347608), (304, 217255), (380, 173804), (760, 86902), (1520, 43451)]