28507460

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2903}}^1$

素因数の和:3403

約数の個数: 24

約数和(自身を含む): 60008256

約数和(自身を除く): 31500796

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 2903, 4910, 5806, 9820, 11612, 14515, 29030, 58060, 1425373, 2850746, 5701492, 7126865, 14253730, 28507460]

約数ペア:

[(1, 28507460), (2, 14253730), (4, 7126865), (5, 5701492), (10, 2850746), (20, 1425373), (491, 58060), (982, 29030), (1964, 14515), (2455, 11612), (2903, 9820), (4910, 5806)]