78932440

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{8693}}^1$

素因数の和:8931

約数の個数: 32

約数和(自身を含む): 178400880

約数和(自身を除く): 99468440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 8693, 9080, 17386, 34772, 43465, 69544, 86930, 173860, 347720, 1973311, 3946622, 7893244, 9866555, 15786488, 19733110, 39466220, 78932440]

約数ペア:

[(1, 78932440), (2, 39466220), (4, 19733110), (5, 15786488), (8, 9866555), (10, 7893244), (20, 3946622), (40, 1973311), (227, 347720), (454, 173860), (908, 86930), (1135, 69544), (1816, 43465), (2270, 34772), (4540, 17386), (8693, 9080)]