80640176

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{367}}^1\times {\mathrm{443}}^1$

素因数の和:849

約数の個数: 40

約数和(自身を含む): 162084864

約数和(自身を除く): 81444688

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 367, 443, 496, 734, 886, 1468, 1772, 2936, 3544, 5872, 7088, 11377, 13733, 22754, 27466, 45508, 54932, 91016, 109864, 162581, 182032, 219728, 325162, 650324, 1300648, 2601296, 5040011, 10080022, 20160044, 40320088, 80640176]

約数ペア:

[(1, 80640176), (2, 40320088), (4, 20160044), (8, 10080022), (16, 5040011), (31, 2601296), (62, 1300648), (124, 650324), (248, 325162), (367, 219728), (443, 182032), (496, 162581), (734, 109864), (886, 91016), (1468, 54932), (1772, 45508), (2936, 27466), (3544, 22754), (5872, 13733), (7088, 11377)]