55131820

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{8807}}^1$

素因数の和:9129

約数の個数: 24

約数和(自身を含む): 116159904

約数和(自身を除く): 61028084

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 8807, 17614, 35228, 44035, 88070, 176140, 2756591, 5513182, 11026364, 13782955, 27565910, 55131820]

約数ペア:

[(1, 55131820), (2, 27565910), (4, 13782955), (5, 11026364), (10, 5513182), (20, 2756591), (313, 176140), (626, 88070), (1252, 44035), (1565, 35228), (3130, 17614), (6260, 8807)]