40628728

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4451}}^1$

素因数の和:4627

約数の個数: 32

約数和(自身を含む): 87615360

約数和(自身を除く): 46986632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 2282, 4451, 4564, 8902, 9128, 17804, 31157, 35608, 62314, 124628, 249256, 725513, 1451026, 2902052, 5078591, 5804104, 10157182, 20314364, 40628728]

約数ペア:

[(1, 40628728), (2, 20314364), (4, 10157182), (7, 5804104), (8, 5078591), (14, 2902052), (28, 1451026), (56, 725513), (163, 249256), (326, 124628), (652, 62314), (1141, 35608), (1304, 31157), (2282, 17804), (4451, 9128), (4564, 8902)]