162860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 362880

約数和(自身を除く): 200020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 479, 958, 1916, 2395, 4790, 8143, 9580, 16286, 32572, 40715, 81430, 162860]

約数ペア:

[(1, 162860), (2, 81430), (4, 40715), (5, 32572), (10, 16286), (17, 9580), (20, 8143), (34, 4790), (68, 2395), (85, 1916), (170, 958), (340, 479)]