15142780

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3923}}^1$

素因数の和:4125

約数の個数: 24

約数和(自身を含む): 31972752

約数和(自身を除く): 16829972

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 3923, 7846, 15692, 19615, 39230, 78460, 757139, 1514278, 3028556, 3785695, 7571390, 15142780]

約数ペア:

[(1, 15142780), (2, 7571390), (4, 3785695), (5, 3028556), (10, 1514278), (20, 757139), (193, 78460), (386, 39230), (772, 19615), (965, 15692), (1930, 7846), (3860, 3923)]