42820040

素因数分解:

$2^3\times 5^1\times {\mathrm{1070501}}^1$

素因数の和:1070512

約数の個数: 16

約数和(自身を含む): 96345180

約数和(自身を除く): 53525140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1070501, 2141002, 4282004, 5352505, 8564008, 10705010, 21410020, 42820040]

約数ペア:

[(1, 42820040), (2, 21410020), (4, 10705010), (5, 8564008), (8, 5352505), (10, 4282004), (20, 2141002), (40, 1070501)]