85395760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{62791}}^1$

素因数の和:62821

約数の個数: 40

約数和(自身を含む): 210227616

約数和(自身を除く): 124831856

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 62791, 125582, 251164, 313955, 502328, 627910, 1004656, 1067447, 1255820, 2134894, 2511640, 4269788, 5023280, 5337235, 8539576, 10674470, 17079152, 21348940, 42697880, 85395760]

約数ペア:

[(1, 85395760), (2, 42697880), (4, 21348940), (5, 17079152), (8, 10674470), (10, 8539576), (16, 5337235), (17, 5023280), (20, 4269788), (34, 2511640), (40, 2134894), (68, 1255820), (80, 1067447), (85, 1004656), (136, 627910), (170, 502328), (272, 313955), (340, 251164), (680, 125582), (1360, 62791)]