28078010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{147779}}^1$

素因数の和:147805

約数の個数: 16

約数和(自身を含む): 53200800

約数和(自身を除く): 25122790

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 147779, 295558, 738895, 1477790, 2807801, 5615602, 14039005, 28078010]

約数ペア:

[(1, 28078010), (2, 14039005), (5, 5615602), (10, 2807801), (19, 1477790), (38, 738895), (95, 295558), (190, 147779)]