70205020

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{4339}}^1$

素因数の和:5157

約数の個数: 24

約数和(自身を含む): 147646800

約数和(自身を除く): 77441780

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 4339, 8090, 8678, 16180, 17356, 21695, 43390, 86780, 3510251, 7020502, 14041004, 17551255, 35102510, 70205020]

約数ペア:

[(1, 70205020), (2, 35102510), (4, 17551255), (5, 14041004), (10, 7020502), (20, 3510251), (809, 86780), (1618, 43390), (3236, 21695), (4045, 17356), (4339, 16180), (8090, 8678)]