199646960

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{24229}}^1$

素因数の和:24345

約数の個数: 40

約数和(自身を含む): 468705120

約数和(自身を除く): 269058160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 24229, 48458, 96916, 121145, 193832, 242290, 387664, 484580, 969160, 1938320, 2495587, 4991174, 9982348, 12477935, 19964696, 24955870, 39929392, 49911740, 99823480, 199646960]

約数ペア:

[(1, 199646960), (2, 99823480), (4, 49911740), (5, 39929392), (8, 24955870), (10, 19964696), (16, 12477935), (20, 9982348), (40, 4991174), (80, 2495587), (103, 1938320), (206, 969160), (412, 484580), (515, 387664), (824, 242290), (1030, 193832), (1648, 121145), (2060, 96916), (4120, 48458), (8240, 24229)]