12678140

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3889}}^1$

素因数の和:4061

約数の個数: 24

約数和(自身を含む): 26794320

約数和(自身を除く): 14116180

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 3889, 7778, 15556, 19445, 38890, 77780, 633907, 1267814, 2535628, 3169535, 6339070, 12678140]

約数ペア:

[(1, 12678140), (2, 6339070), (4, 3169535), (5, 2535628), (10, 1267814), (20, 633907), (163, 77780), (326, 38890), (652, 19445), (815, 15556), (1630, 7778), (3260, 3889)]