2016251320

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{309241}}^1$

素因数の和:309415

約数の個数: 32

約数和(自身を含む): 4564411920

約数和(自身を除く): 2548160600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 309241, 618482, 1236964, 1546205, 2473928, 3092410, 6184820, 12369640, 50406283, 100812566, 201625132, 252031415, 403250264, 504062830, 1008125660, 2016251320]

約数ペア:

[(1, 2016251320), (2, 1008125660), (4, 504062830), (5, 403250264), (8, 252031415), (10, 201625132), (20, 100812566), (40, 50406283), (163, 12369640), (326, 6184820), (652, 3092410), (815, 2473928), (1304, 1546205), (1630, 1236964), (3260, 618482), (6520, 309241)]