156617540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{190997}}^1$

素因数の和:191047

約数の個数: 24

約数和(自身を含む): 336920472

約数和(自身を除く): 180302932

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 190997, 381994, 763988, 954985, 1909970, 3819940, 7830877, 15661754, 31323508, 39154385, 78308770, 156617540]

約数ペア:

[(1, 156617540), (2, 78308770), (4, 39154385), (5, 31323508), (10, 15661754), (20, 7830877), (41, 3819940), (82, 1909970), (164, 954985), (205, 763988), (410, 381994), (820, 190997)]