66388060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{195259}}^1$

素因数の和:195285

約数の個数: 24

約数和(自身を含む): 147616560

約数和(自身を除く): 81228500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 195259, 390518, 781036, 976295, 1952590, 3319403, 3905180, 6638806, 13277612, 16597015, 33194030, 66388060]

約数ペア:

[(1, 66388060), (2, 33194030), (4, 16597015), (5, 13277612), (10, 6638806), (17, 3905180), (20, 3319403), (34, 1952590), (68, 976295), (85, 781036), (170, 390518), (340, 195259)]