254760040

素因数分解:

$2^3\times 5^1\times {\mathrm{6369001}}^1$

素因数の和:6369012

約数の個数: 16

約数和(自身を含む): 573210180

約数和(自身を除く): 318450140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6369001, 12738002, 25476004, 31845005, 50952008, 63690010, 127380020, 254760040]

約数ペア:

[(1, 254760040), (2, 127380020), (4, 63690010), (5, 50952008), (8, 31845005), (10, 25476004), (20, 12738002), (40, 6369001)]