86972440

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{3547}}^1$

素因数の和:4171

約数の個数: 32

約数和(自身を含む): 196062480

約数和(自身を除く): 109090040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 3547, 4904, 6130, 7094, 12260, 14188, 17735, 24520, 28376, 35470, 70940, 141880, 2174311, 4348622, 8697244, 10871555, 17394488, 21743110, 43486220, 86972440]

約数ペア:

[(1, 86972440), (2, 43486220), (4, 21743110), (5, 17394488), (8, 10871555), (10, 8697244), (20, 4348622), (40, 2174311), (613, 141880), (1226, 70940), (2452, 35470), (3065, 28376), (3547, 24520), (4904, 17735), (6130, 14188), (7094, 12260)]