13258840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47353}}^1$

素因数の和:47371

約数の個数: 32

約数和(自身を含む): 34094880

約数和(自身を除く): 20836040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 47353, 94706, 189412, 236765, 331471, 378824, 473530, 662942, 947060, 1325884, 1657355, 1894120, 2651768, 3314710, 6629420, 13258840]

約数ペア:

[(1, 13258840), (2, 6629420), (4, 3314710), (5, 2651768), (7, 1894120), (8, 1657355), (10, 1325884), (14, 947060), (20, 662942), (28, 473530), (35, 378824), (40, 331471), (56, 236765), (70, 189412), (140, 94706), (280, 47353)]