27428750

素因数分解:

$2^1\times 5^4\times {\mathrm{21943}}^1$

素因数の和:21965

約数の個数: 20

約数和(自身を含む): 51414792

約数和(自身を除く): 23986042

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 21943, 43886, 109715, 219430, 548575, 1097150, 2742875, 5485750, 13714375, 27428750]

約数ペア:

[(1, 27428750), (2, 13714375), (5, 5485750), (10, 2742875), (25, 1097150), (50, 548575), (125, 219430), (250, 109715), (625, 43886), (1250, 21943)]