90580040

素因数分解:

$2^3\times 5^1\times {\mathrm{2264501}}^1$

素因数の和:2264512

約数の個数: 16

約数和(自身を含む): 203805180

約数和(自身を除く): 113225140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2264501, 4529002, 9058004, 11322505, 18116008, 22645010, 45290020, 90580040]

約数ペア:

[(1, 90580040), (2, 45290020), (4, 22645010), (5, 18116008), (8, 11322505), (10, 9058004), (20, 4529002), (40, 2264501)]