2018968025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{250027}}^1$

素因数の和:250073

約数の個数: 24

約数和(自身を含む): 2790312480

約数和(自身を除く): 771344455

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 8075, 250027, 1250135, 4250459, 4750513, 6250675, 21252295, 23752565, 80758721, 106261475, 118762825, 403793605, 2018968025]

約数ペア:

[(1, 2018968025), (5, 403793605), (17, 118762825), (19, 106261475), (25, 80758721), (85, 23752565), (95, 21252295), (323, 6250675), (425, 4750513), (475, 4250459), (1615, 1250135), (8075, 250027)]