8683420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 19514880

約数和(自身を除く): 10831460

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 439, 460, 860, 878, 989, 1756, 1978, 2195, 3956, 4390, 4945, 8780, 9890, 10097, 18877, 19780, 20194, 37754, 40388, 50485, 75508, 94385, 100970, 188770, 201940, 377540, 434171, 868342, 1736684, 2170855, 4341710, 8683420]

約数ペア:

[(1, 8683420), (2, 4341710), (4, 2170855), (5, 1736684), (10, 868342), (20, 434171), (23, 377540), (43, 201940), (46, 188770), (86, 100970), (92, 94385), (115, 75508), (172, 50485), (215, 40388), (230, 37754), (430, 20194), (439, 19780), (460, 18877), (860, 10097), (878, 9890), (989, 8780), (1756, 4945), (1978, 4390), (2195, 3956)]