90148780

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{27653}}^1$

素因数の和:27825

約数の個数: 24

約数和(自身を含む): 190480752

約数和(自身を除く): 100331972

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 27653, 55306, 110612, 138265, 276530, 553060, 4507439, 9014878, 18029756, 22537195, 45074390, 90148780]

約数ペア:

[(1, 90148780), (2, 45074390), (4, 22537195), (5, 18029756), (10, 9014878), (20, 4507439), (163, 553060), (326, 276530), (652, 138265), (815, 110612), (1630, 55306), (3260, 27653)]