91020040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{133853}}^1$

素因数の和:133881

約数の個数: 32

約数和(自身を含む): 216843480

約数和(自身を除く): 125823440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 133853, 267706, 535412, 669265, 1070824, 1338530, 2275501, 2677060, 4551002, 5354120, 9102004, 11377505, 18204008, 22755010, 45510020, 91020040]

約数ペア:

[(1, 91020040), (2, 45510020), (4, 22755010), (5, 18204008), (8, 11377505), (10, 9102004), (17, 5354120), (20, 4551002), (34, 2677060), (40, 2275501), (68, 1338530), (85, 1070824), (136, 669265), (170, 535412), (340, 267706), (680, 133853)]