138080900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{26053}}^1$

素因数の和:26120

約数の個数: 36

約数和(自身を含む): 305300772

約数和(自身を除く): 167219872

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 5300, 26053, 52106, 104212, 130265, 260530, 521060, 651325, 1302650, 1380809, 2605300, 2761618, 5523236, 6904045, 13808090, 27616180, 34520225, 69040450, 138080900]

約数ペア:

[(1, 138080900), (2, 69040450), (4, 34520225), (5, 27616180), (10, 13808090), (20, 6904045), (25, 5523236), (50, 2761618), (53, 2605300), (100, 1380809), (106, 1302650), (212, 651325), (265, 521060), (530, 260530), (1060, 130265), (1325, 104212), (2650, 52106), (5300, 26053)]