66794260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{256901}}^1$

素因数の和:256923

約数の個数: 24

約数和(自身を含む): 151058376

約数和(自身を除く): 84264116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 256901, 513802, 1027604, 1284505, 2569010, 3339713, 5138020, 6679426, 13358852, 16698565, 33397130, 66794260]

約数ペア:

[(1, 66794260), (2, 33397130), (4, 16698565), (5, 13358852), (10, 6679426), (13, 5138020), (20, 3339713), (26, 2569010), (52, 1284505), (65, 1027604), (130, 513802), (260, 256901)]