2553408040

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{391627}}^1$

素因数の和:391801

約数の個数: 32

約数和(自身を含む): 5780429280

約数和(自身を除く): 3227021240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 391627, 783254, 1566508, 1958135, 3133016, 3916270, 7832540, 15665080, 63835201, 127670402, 255340804, 319176005, 510681608, 638352010, 1276704020, 2553408040]

約数ペア:

[(1, 2553408040), (2, 1276704020), (4, 638352010), (5, 510681608), (8, 319176005), (10, 255340804), (20, 127670402), (40, 63835201), (163, 15665080), (326, 7832540), (652, 3916270), (815, 3133016), (1304, 1958135), (1630, 1566508), (3260, 783254), (6520, 391627)]