91294040

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20939}}^1$

素因数の和:21059

約数の個数: 32

約数和(自身を含む): 207306000

約数和(自身を除く): 116011960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 20939, 41878, 83756, 104695, 167512, 209390, 418780, 837560, 2282351, 4564702, 9129404, 11411755, 18258808, 22823510, 45647020, 91294040]

約数ペア:

[(1, 91294040), (2, 45647020), (4, 22823510), (5, 18258808), (8, 11411755), (10, 9129404), (20, 4564702), (40, 2282351), (109, 837560), (218, 418780), (436, 209390), (545, 167512), (872, 104695), (1090, 83756), (2180, 41878), (4360, 20939)]