278526040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{535627}}^1$

素因数の和:535651

約数の個数: 32

約数和(自身を含む): 674891280

約数和(自身を除く): 396365240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 535627, 1071254, 2142508, 2678135, 4285016, 5356270, 6963151, 10712540, 13926302, 21425080, 27852604, 34815755, 55705208, 69631510, 139263020, 278526040]

約数ペア:

[(1, 278526040), (2, 139263020), (4, 69631510), (5, 55705208), (8, 34815755), (10, 27852604), (13, 21425080), (20, 13926302), (26, 10712540), (40, 6963151), (52, 5356270), (65, 4285016), (104, 2678135), (130, 2142508), (260, 1071254), (520, 535627)]