90920080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{66853}}^1$

素因数の和:66883

約数の個数: 40

約数和(自身を含む): 223827192

約数和(自身を除く): 132907112

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 66853, 133706, 267412, 334265, 534824, 668530, 1069648, 1136501, 1337060, 2273002, 2674120, 4546004, 5348240, 5682505, 9092008, 11365010, 18184016, 22730020, 45460040, 90920080]

約数ペア:

[(1, 90920080), (2, 45460040), (4, 22730020), (5, 18184016), (8, 11365010), (10, 9092008), (16, 5682505), (17, 5348240), (20, 4546004), (34, 2674120), (40, 2273002), (68, 1337060), (80, 1136501), (85, 1069648), (136, 668530), (170, 534824), (272, 334265), (340, 267412), (680, 133706), (1360, 66853)]