1325142020

素因数分解:

$2^2\times 5^1\times {\mathrm{66257101}}^1$

素因数の和:66257110

約数の個数: 12

約数和(自身を含む): 2782798284

約数和(自身を除く): 1457656264

約数列:

[1, 2, 4, 5, 10, 20, 66257101, 132514202, 265028404, 331285505, 662571010, 1325142020]

約数ペア:

[(1, 1325142020), (2, 662571010), (4, 331285505), (5, 265028404), (10, 132514202), (20, 66257101)]