85876520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2687}}^1$

素因数の和:2762

約数の個数: 64

約数和(自身を含む): 209018880

約数和(自身を除く): 123142360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1880, 2687, 3196, 3995, 5374, 6392, 7990, 10748, 13435, 15980, 21496, 26870, 31960, 45679, 53740, 91358, 107480, 126289, 182716, 228395, 252578, 365432, 456790, 505156, 631445, 913580, 1010312, 1262890, 1827160, 2146913, 2525780, 4293826, 5051560, 8587652, 10734565, 17175304, 21469130, 42938260, 85876520]

約数ペア:

[(1, 85876520), (2, 42938260), (4, 21469130), (5, 17175304), (8, 10734565), (10, 8587652), (17, 5051560), (20, 4293826), (34, 2525780), (40, 2146913), (47, 1827160), (68, 1262890), (85, 1010312), (94, 913580), (136, 631445), (170, 505156), (188, 456790), (235, 365432), (340, 252578), (376, 228395), (470, 182716), (680, 126289), (799, 107480), (940, 91358), (1598, 53740), (1880, 45679), (2687, 31960), (3196, 26870), (3995, 21496), (5374, 15980), (6392, 13435), (7990, 10748)]