40180868

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{661}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 87193344

約数和(自身を除く): 47012476

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 167, 182, 334, 364, 661, 668, 1169, 1322, 2171, 2338, 2644, 4342, 4627, 4676, 8593, 8684, 9254, 15197, 17186, 18508, 30394, 34372, 60151, 60788, 110387, 120302, 220774, 240604, 441548, 772709, 1435031, 1545418, 2870062, 3090836, 5740124, 10045217, 20090434, 40180868]

約数ペア:

[(1, 40180868), (2, 20090434), (4, 10045217), (7, 5740124), (13, 3090836), (14, 2870062), (26, 1545418), (28, 1435031), (52, 772709), (91, 441548), (167, 240604), (182, 220774), (334, 120302), (364, 110387), (661, 60788), (668, 60151), (1169, 34372), (1322, 30394), (2171, 18508), (2338, 17186), (2644, 15197), (4342, 9254), (4627, 8684), (4676, 8593)]