8018840

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{653}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 18128880

約数和(自身を除く): 10110040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 653, 1228, 1306, 1535, 2456, 2612, 3070, 3265, 5224, 6140, 6530, 12280, 13060, 26120, 200471, 400942, 801884, 1002355, 1603768, 2004710, 4009420, 8018840]

約数ペア:

[(1, 8018840), (2, 4009420), (4, 2004710), (5, 1603768), (8, 1002355), (10, 801884), (20, 400942), (40, 200471), (307, 26120), (614, 13060), (653, 12280), (1228, 6530), (1306, 6140), (1535, 5224), (2456, 3265), (2612, 3070)]