28488625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{20719}}^1$

素因数の和:20745

約数の個数: 16

約数和(自身を含む): 38787840

約数和(自身を除く): 10299215

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 20719, 103595, 227909, 517975, 1139545, 2589875, 5697725, 28488625]

約数ペア:

[(1, 28488625), (5, 5697725), (11, 2589875), (25, 1139545), (55, 517975), (125, 227909), (275, 103595), (1375, 20719)]