28130380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61153}}^1$

素因数の和:61185

約数の個数: 24

約数和(自身を含む): 61643232

約数和(自身を除く): 33512852

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 61153, 122306, 244612, 305765, 611530, 1223060, 1406519, 2813038, 5626076, 7032595, 14065190, 28130380]

約数ペア:

[(1, 28130380), (2, 14065190), (4, 7032595), (5, 5626076), (10, 2813038), (20, 1406519), (23, 1223060), (46, 611530), (92, 305765), (115, 244612), (230, 122306), (460, 61153)]