80494820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{574963}}^1$

素因数の和:574979

約数の個数: 24

約数和(自身を含む): 193187904

約数和(自身を除く): 112693084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 574963, 1149926, 2299852, 2874815, 4024741, 5749630, 8049482, 11499260, 16098964, 20123705, 40247410, 80494820]

約数ペア:

[(1, 80494820), (2, 40247410), (4, 20123705), (5, 16098964), (7, 11499260), (10, 8049482), (14, 5749630), (20, 4024741), (28, 2874815), (35, 2299852), (70, 1149926), (140, 574963)]