71008040

素因数分解:

$2^3\times 5^1\times {\mathrm{1775201}}^1$

素因数の和:1775212

約数の個数: 16

約数和(自身を含む): 159768180

約数和(自身を除く): 88760140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1775201, 3550402, 7100804, 8876005, 14201608, 17752010, 35504020, 71008040]

約数ペア:

[(1, 71008040), (2, 35504020), (4, 17752010), (5, 14201608), (8, 8876005), (10, 7100804), (20, 3550402), (40, 1775201)]