30880075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{643}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 40966128

約数和(自身を除く): 10086053

約数列:

[1, 5, 17, 25, 85, 113, 425, 565, 643, 1921, 2825, 3215, 9605, 10931, 16075, 48025, 54655, 72659, 273275, 363295, 1235203, 1816475, 6176015, 30880075]

約数ペア:

[(1, 30880075), (5, 6176015), (17, 1816475), (25, 1235203), (85, 363295), (113, 273275), (425, 72659), (565, 54655), (643, 48025), (1921, 16075), (2825, 10931), (3215, 9605)]