42040990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{102539}}^1$

素因数の和:102587

約数の個数: 16

約数和(自身を含む): 77520240

約数和(自身を除く): 35479250

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 102539, 205078, 512695, 1025390, 4204099, 8408198, 21020495, 42040990]

約数ペア:

[(1, 42040990), (2, 21020495), (5, 8408198), (10, 4204099), (41, 1025390), (82, 512695), (205, 205078), (410, 102539)]