79744840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{284803}}^1$

素因数の和:284821

約数の個数: 32

約数和(自身を含む): 205058880

約数和(自身を除く): 125314040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 284803, 569606, 1139212, 1424015, 1993621, 2278424, 2848030, 3987242, 5696060, 7974484, 9968105, 11392120, 15948968, 19936210, 39872420, 79744840]

約数ペア:

[(1, 79744840), (2, 39872420), (4, 19936210), (5, 15948968), (7, 11392120), (8, 9968105), (10, 7974484), (14, 5696060), (20, 3987242), (28, 2848030), (35, 2278424), (40, 1993621), (56, 1424015), (70, 1139212), (140, 569606), (280, 284803)]