65202020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{250777}}^1$

素因数の和:250799

約数の個数: 24

約数和(自身を含む): 147457464

約数和(自身を除く): 82255444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 250777, 501554, 1003108, 1253885, 2507770, 3260101, 5015540, 6520202, 13040404, 16300505, 32601010, 65202020]

約数ペア:

[(1, 65202020), (2, 32601010), (4, 16300505), (5, 13040404), (10, 6520202), (13, 5015540), (20, 3260101), (26, 2507770), (52, 1253885), (65, 1003108), (130, 501554), (260, 250777)]