8581880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2939}}^1$

素因数の和:3023

約数の個数: 32

約数和(自身を含む): 19580400

約数和(自身を除く): 10998520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 2939, 5878, 11756, 14695, 23512, 29390, 58780, 117560, 214547, 429094, 858188, 1072735, 1716376, 2145470, 4290940, 8581880]

約数ペア:

[(1, 8581880), (2, 4290940), (4, 2145470), (5, 1716376), (8, 1072735), (10, 858188), (20, 429094), (40, 214547), (73, 117560), (146, 58780), (292, 29390), (365, 23512), (584, 14695), (730, 11756), (1460, 5878), (2920, 2939)]