40490515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{36643}}^1$

素因数の和:36678

約数の個数: 16

約数和(自身を含む): 55405728

約数和(自身を除く): 14915213

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 36643, 183215, 476359, 622931, 2381795, 3114655, 8098103, 40490515]

約数ペア:

[(1, 40490515), (5, 8098103), (13, 3114655), (17, 2381795), (65, 622931), (85, 476359), (221, 183215), (1105, 36643)]