2019969680

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{113227}}^1$

素因数の和:113463

約数の個数: 40

約数和(自身を含む): 4717531392

約数和(自身を除く): 2697561712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 8920, 17840, 113227, 226454, 452908, 566135, 905816, 1132270, 1811632, 2264540, 4529080, 9058160, 25249621, 50499242, 100998484, 126248105, 201996968, 252496210, 403993936, 504992420, 1009984840, 2019969680]

約数ペア:

[(1, 2019969680), (2, 1009984840), (4, 504992420), (5, 403993936), (8, 252496210), (10, 201996968), (16, 126248105), (20, 100998484), (40, 50499242), (80, 25249621), (223, 9058160), (446, 4529080), (892, 2264540), (1115, 1811632), (1784, 1132270), (2230, 905816), (3568, 566135), (4460, 452908), (8920, 226454), (17840, 113227)]