80261860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{573299}}^1$

素因数の和:573315

約数の個数: 24

約数和(自身を含む): 192628800

約数和(自身を除く): 112366940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 573299, 1146598, 2293196, 2866495, 4013093, 5732990, 8026186, 11465980, 16052372, 20065465, 40130930, 80261860]

約数ペア:

[(1, 80261860), (2, 40130930), (4, 20065465), (5, 16052372), (7, 11465980), (10, 8026186), (14, 5732990), (20, 4013093), (28, 2866495), (35, 2293196), (70, 1146598), (140, 573299)]