15931280

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2053}}^1$

素因数の和:2163

約数の個数: 40

約数和(自身を含む): 37440312

約数和(自身を除く): 21509032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 2053, 3880, 4106, 7760, 8212, 10265, 16424, 20530, 32848, 41060, 82120, 164240, 199141, 398282, 796564, 995705, 1593128, 1991410, 3186256, 3982820, 7965640, 15931280]

約数ペア:

[(1, 15931280), (2, 7965640), (4, 3982820), (5, 3186256), (8, 1991410), (10, 1593128), (16, 995705), (20, 796564), (40, 398282), (80, 199141), (97, 164240), (194, 82120), (388, 41060), (485, 32848), (776, 20530), (970, 16424), (1552, 10265), (1940, 8212), (2053, 7760), (3880, 4106)]