85409020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251203}}^1$

素因数の和:251229

約数の個数: 24

約数和(自身を含む): 189910224

約数和(自身を除く): 104501204

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 251203, 502406, 1004812, 1256015, 2512030, 4270451, 5024060, 8540902, 17081804, 21352255, 42704510, 85409020]

約数ペア:

[(1, 85409020), (2, 42704510), (4, 21352255), (5, 17081804), (10, 8540902), (17, 5024060), (20, 4270451), (34, 2512030), (68, 1256015), (85, 1004812), (170, 502406), (340, 251203)]