80360840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{287003}}^1$

素因数の和:287021

約数の個数: 32

約数和(自身を含む): 206642880

約数和(自身を除く): 126282040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 287003, 574006, 1148012, 1435015, 2009021, 2296024, 2870030, 4018042, 5740060, 8036084, 10045105, 11480120, 16072168, 20090210, 40180420, 80360840]

約数ペア:

[(1, 80360840), (2, 40180420), (4, 20090210), (5, 16072168), (7, 11480120), (8, 10045105), (10, 8036084), (14, 5740060), (20, 4018042), (28, 2870030), (35, 2296024), (40, 2009021), (56, 1435015), (70, 1148012), (140, 574006), (280, 287003)]