220347440

素因数分解:

$2^4\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{2393}}^1$

素因数の和:3557

約数の個数: 40

約数和(自身を含む): 512967168

約数和(自身を除く): 292619728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1151, 2302, 2393, 4604, 4786, 5755, 9208, 9572, 11510, 11965, 18416, 19144, 23020, 23930, 38288, 46040, 47860, 92080, 95720, 191440, 2754343, 5508686, 11017372, 13771715, 22034744, 27543430, 44069488, 55086860, 110173720, 220347440]

約数ペア:

[(1, 220347440), (2, 110173720), (4, 55086860), (5, 44069488), (8, 27543430), (10, 22034744), (16, 13771715), (20, 11017372), (40, 5508686), (80, 2754343), (1151, 191440), (2302, 95720), (2393, 92080), (4604, 47860), (4786, 46040), (5755, 38288), (9208, 23930), (9572, 23020), (11510, 19144), (11965, 18416)]