30881008

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{17707}}^1$

素因数の和:17824

約数の個数: 20

約数和(自身を含む): 60384280

約数和(自身を除く): 29503272

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 17707, 35414, 70828, 141656, 283312, 1930063, 3860126, 7720252, 15440504, 30881008]

約数ペア:

[(1, 30881008), (2, 15440504), (4, 7720252), (8, 3860126), (16, 1930063), (109, 283312), (218, 141656), (436, 70828), (872, 35414), (1744, 17707)]