42720592

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{157061}}^1$

素因数の和:157086

約数の個数: 20

約数和(自身を含む): 87640596

約数和(自身を除く): 44920004

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 157061, 314122, 628244, 1256488, 2512976, 2670037, 5340074, 10680148, 21360296, 42720592]

約数ペア:

[(1, 42720592), (2, 21360296), (4, 10680148), (8, 5340074), (16, 2670037), (17, 2512976), (34, 1256488), (68, 628244), (136, 314122), (272, 157061)]