89550640

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{11083}}^1$

素因数の和:11197

約数の個数: 40

約数和(自身を含む): 210285648

約数和(自身を除く): 120735008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 11083, 22166, 44332, 55415, 88664, 110830, 177328, 221660, 443320, 886640, 1119383, 2238766, 4477532, 5596915, 8955064, 11193830, 17910128, 22387660, 44775320, 89550640]

約数ペア:

[(1, 89550640), (2, 44775320), (4, 22387660), (5, 17910128), (8, 11193830), (10, 8955064), (16, 5596915), (20, 4477532), (40, 2238766), (80, 1119383), (101, 886640), (202, 443320), (404, 221660), (505, 177328), (808, 110830), (1010, 88664), (1616, 55415), (2020, 44332), (4040, 22166), (8080, 11083)]