85991720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113147}}^1$

素因数の和:113177

約数の個数: 32

約数和(自身を含む): 203666400

約数和(自身を除く): 117674680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 113147, 226294, 452588, 565735, 905176, 1131470, 2149793, 2262940, 4299586, 4525880, 8599172, 10748965, 17198344, 21497930, 42995860, 85991720]

約数ペア:

[(1, 85991720), (2, 42995860), (4, 21497930), (5, 17198344), (8, 10748965), (10, 8599172), (19, 4525880), (20, 4299586), (38, 2262940), (40, 2149793), (76, 1131470), (95, 905176), (152, 565735), (190, 452588), (380, 226294), (760, 113147)]