11571280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{20663}}^1$

素因数の和:20683

約数の個数: 40

約数和(自身を含む): 30748032

約数和(自身を除く): 19176752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 20663, 41326, 82652, 103315, 144641, 165304, 206630, 289282, 330608, 413260, 578564, 723205, 826520, 1157128, 1446410, 1653040, 2314256, 2892820, 5785640, 11571280]

約数ペア:

[(1, 11571280), (2, 5785640), (4, 2892820), (5, 2314256), (7, 1653040), (8, 1446410), (10, 1157128), (14, 826520), (16, 723205), (20, 578564), (28, 413260), (35, 330608), (40, 289282), (56, 206630), (70, 165304), (80, 144641), (112, 103315), (140, 82652), (280, 41326), (560, 20663)]