13444240

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1031}}^1$

素因数の和:1207

約数の個数: 40

約数和(自身を含む): 31480128

約数和(自身を除く): 18035888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1031, 1304, 1630, 2062, 2608, 3260, 4124, 5155, 6520, 8248, 10310, 13040, 16496, 20620, 41240, 82480, 168053, 336106, 672212, 840265, 1344424, 1680530, 2688848, 3361060, 6722120, 13444240]

約数ペア:

[(1, 13444240), (2, 6722120), (4, 3361060), (5, 2688848), (8, 1680530), (10, 1344424), (16, 840265), (20, 672212), (40, 336106), (80, 168053), (163, 82480), (326, 41240), (652, 20620), (815, 16496), (1031, 13040), (1304, 10310), (1630, 8248), (2062, 6520), (2608, 5155), (3260, 4124)]