2540577140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{809101}}^1$

素因数の和:809267

約数の個数: 24

約数和(自身を含む): 5369200872

約数和(自身を除く): 2828623732

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 809101, 1618202, 3236404, 4045505, 8091010, 16182020, 127028857, 254057714, 508115428, 635144285, 1270288570, 2540577140]

約数ペア:

[(1, 2540577140), (2, 1270288570), (4, 635144285), (5, 508115428), (10, 254057714), (20, 127028857), (157, 16182020), (314, 8091010), (628, 4045505), (785, 3236404), (1570, 1618202), (3140, 809101)]