817413280

素因数分解:

$2^5\times 5^1\times {\mathrm{509}}^1\times {\mathrm{10037}}^1$

素因数の和:10561

約数の個数: 48

約数和(自身を含む): 1935125640

約数和(自身を除く): 1117712360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 509, 1018, 2036, 2545, 4072, 5090, 8144, 10037, 10180, 16288, 20074, 20360, 40148, 40720, 50185, 80296, 81440, 100370, 160592, 200740, 321184, 401480, 802960, 1605920, 5108833, 10217666, 20435332, 25544165, 40870664, 51088330, 81741328, 102176660, 163482656, 204353320, 408706640, 817413280]

約数ペア:

[(1, 817413280), (2, 408706640), (4, 204353320), (5, 163482656), (8, 102176660), (10, 81741328), (16, 51088330), (20, 40870664), (32, 25544165), (40, 20435332), (80, 10217666), (160, 5108833), (509, 1605920), (1018, 802960), (2036, 401480), (2545, 321184), (4072, 200740), (5090, 160592), (8144, 100370), (10037, 81440), (10180, 80296), (16288, 50185), (20074, 40720), (20360, 40148)]