28254875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{20549}}^1$

素因数の和:20575

約数の個数: 16

約数和(自身を含む): 38469600

約数和(自身を除く): 10214725

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 20549, 102745, 226039, 513725, 1130195, 2568625, 5650975, 28254875]

約数ペア:

[(1, 28254875), (5, 5650975), (11, 2568625), (25, 1130195), (55, 513725), (125, 226039), (275, 102745), (1375, 20549)]