40606904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 84172200

約数和(自身を除く): 43565296

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 139, 212, 278, 424, 556, 689, 1112, 1378, 1807, 2756, 2809, 3614, 5512, 5618, 7228, 7367, 11236, 14456, 14734, 22472, 29468, 36517, 58936, 73034, 95771, 146068, 191542, 292136, 383084, 390451, 766168, 780902, 1561804, 3123608, 5075863, 10151726, 20303452, 40606904]

約数ペア:

[(1, 40606904), (2, 20303452), (4, 10151726), (8, 5075863), (13, 3123608), (26, 1561804), (52, 780902), (53, 766168), (104, 390451), (106, 383084), (139, 292136), (212, 191542), (278, 146068), (424, 95771), (556, 73034), (689, 58936), (1112, 36517), (1378, 29468), (1807, 22472), (2756, 14734), (2809, 14456), (3614, 11236), (5512, 7367), (5618, 7228)]