27845980

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{2473}}^1$

素因数の和:3045

約数の個数: 24

約数和(自身を含む): 58604112

約数和(自身を除く): 30758132

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 2252, 2473, 2815, 4946, 5630, 9892, 11260, 12365, 24730, 49460, 1392299, 2784598, 5569196, 6961495, 13922990, 27845980]

約数ペア:

[(1, 27845980), (2, 13922990), (4, 6961495), (5, 5569196), (10, 2784598), (20, 1392299), (563, 49460), (1126, 24730), (2252, 12365), (2473, 11260), (2815, 9892), (4946, 5630)]