28666280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31159}}^1$

素因数の和:31193

約数の個数: 32

約数和(自身を含む): 67305600

約数和(自身を除く): 38639320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 31159, 62318, 124636, 155795, 249272, 311590, 623180, 716657, 1246360, 1433314, 2866628, 3583285, 5733256, 7166570, 14333140, 28666280]

約数ペア:

[(1, 28666280), (2, 14333140), (4, 7166570), (5, 5733256), (8, 3583285), (10, 2866628), (20, 1433314), (23, 1246360), (40, 716657), (46, 623180), (92, 311590), (115, 249272), (184, 155795), (230, 124636), (460, 62318), (920, 31159)]