40557008

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{15551}}^1$

素因数の和:15722

約数の個数: 20

約数和(自身を含む): 79066368

約数和(自身を除く): 38509360

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 15551, 31102, 62204, 124408, 248816, 2534813, 5069626, 10139252, 20278504, 40557008]

約数ペア:

[(1, 40557008), (2, 20278504), (4, 10139252), (8, 5069626), (16, 2534813), (163, 248816), (326, 124408), (652, 62204), (1304, 31102), (2608, 15551)]