85143020

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{7643}}^1$

素因数の和:8209

約数の個数: 24

約数和(自身を含む): 179144784

約数和(自身を除く): 94001764

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 7643, 11140, 15286, 30572, 38215, 76430, 152860, 4257151, 8514302, 17028604, 21285755, 42571510, 85143020]

約数ペア:

[(1, 85143020), (2, 42571510), (4, 21285755), (5, 17028604), (10, 8514302), (20, 4257151), (557, 152860), (1114, 76430), (2228, 38215), (2785, 30572), (5570, 15286), (7643, 11140)]