4988180

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{563}}^1$

素因数の和:1015

約数の個数: 24

約数和(自身を含む): 10517472

約数和(自身を除く): 5529292

約数列:

[1, 2, 4, 5, 10, 20, 443, 563, 886, 1126, 1772, 2215, 2252, 2815, 4430, 5630, 8860, 11260, 249409, 498818, 997636, 1247045, 2494090, 4988180]

約数ペア:

[(1, 4988180), (2, 2494090), (4, 1247045), (5, 997636), (10, 498818), (20, 249409), (443, 11260), (563, 8860), (886, 5630), (1126, 4430), (1772, 2815), (2215, 2252)]