3640240

素因数分解:

$2^4\times 5^1\times {\mathrm{45503}}^1$

素因数の和:45516

約数の個数: 20

約数和(自身を含む): 8463744

約数和(自身を除く): 4823504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 45503, 91006, 182012, 227515, 364024, 455030, 728048, 910060, 1820120, 3640240]

約数ペア:

[(1, 3640240), (2, 1820120), (4, 910060), (5, 728048), (8, 455030), (10, 364024), (16, 227515), (20, 182012), (40, 91006), (80, 45503)]