27821480

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{3119}}^1$

素因数の和:3353

約数の個数: 32

約数和(自身を含む): 62899200

約数和(自身を除く): 35077720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 3119, 4460, 6238, 8920, 12476, 15595, 24952, 31190, 62380, 124760, 695537, 1391074, 2782148, 3477685, 5564296, 6955370, 13910740, 27821480]

約数ペア:

[(1, 27821480), (2, 13910740), (4, 6955370), (5, 5564296), (8, 3477685), (10, 2782148), (20, 1391074), (40, 695537), (223, 124760), (446, 62380), (892, 31190), (1115, 24952), (1784, 15595), (2230, 12476), (3119, 8920), (4460, 6238)]