65512696820

素因数分解:

$2^2\times 5^1\times {\mathrm{66109}}^1\times {\mathrm{49549}}^1$

素因数の和:115667

約数の個数: 24

約数和(自身を含む): 137581521000

約数和(自身を除く): 72068824180

約数列:

[1, 2, 4, 5, 10, 20, 49549, 66109, 99098, 132218, 198196, 247745, 264436, 330545, 495490, 661090, 990980, 1322180, 3275634841, 6551269682, 13102539364, 16378174205, 32756348410, 65512696820]

約数ペア:

[(1, 65512696820), (2, 32756348410), (4, 16378174205), (5, 13102539364), (10, 6551269682), (20, 3275634841), (49549, 1322180), (66109, 990980), (99098, 661090), (132218, 495490), (198196, 330545), (247745, 264436)]