54258640

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1531}}^1$

素因数の和:1987

約数の個数: 40

約数和(自身を含む): 126518688

約数和(自身を除く): 72260048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1531, 1772, 2215, 3062, 3544, 4430, 6124, 7088, 7655, 8860, 12248, 15310, 17720, 24496, 30620, 35440, 61240, 122480, 678233, 1356466, 2712932, 3391165, 5425864, 6782330, 10851728, 13564660, 27129320, 54258640]

約数ペア:

[(1, 54258640), (2, 27129320), (4, 13564660), (5, 10851728), (8, 6782330), (10, 5425864), (16, 3391165), (20, 2712932), (40, 1356466), (80, 678233), (443, 122480), (886, 61240), (1531, 35440), (1772, 30620), (2215, 24496), (3062, 17720), (3544, 15310), (4430, 12248), (6124, 8860), (7088, 7655)]