42506020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{34841}}^1$

素因数の和:34911

約数の個数: 24

約数和(自身を含む): 90728568

約数和(自身を除く): 48222548

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 34841, 69682, 139364, 174205, 348410, 696820, 2125301, 4250602, 8501204, 10626505, 21253010, 42506020]

約数ペア:

[(1, 42506020), (2, 21253010), (4, 10626505), (5, 8501204), (10, 4250602), (20, 2125301), (61, 696820), (122, 348410), (244, 174205), (305, 139364), (610, 69682), (1220, 34841)]