8227720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3881}}^1$

素因数の和:3945

約数の個数: 32

約数和(自身を含む): 18866520

約数和(自身を除く): 10638800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 3881, 7762, 15524, 19405, 31048, 38810, 77620, 155240, 205693, 411386, 822772, 1028465, 1645544, 2056930, 4113860, 8227720]

約数ペア:

[(1, 8227720), (2, 4113860), (4, 2056930), (5, 1645544), (8, 1028465), (10, 822772), (20, 411386), (40, 205693), (53, 155240), (106, 77620), (212, 38810), (265, 31048), (424, 19405), (530, 15524), (1060, 7762), (2120, 3881)]