281704040

素因数分解:

$2^3\times 5^1\times {\mathrm{7042601}}^1$

素因数の和:7042612

約数の個数: 16

約数和(自身を含む): 633834180

約数和(自身を除く): 352130140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7042601, 14085202, 28170404, 35213005, 56340808, 70426010, 140852020, 281704040]

約数ペア:

[(1, 281704040), (2, 140852020), (4, 70426010), (5, 56340808), (8, 35213005), (10, 28170404), (20, 14085202), (40, 7042601)]