7251684280

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{282827}}^1$

素因数の和:283479

約数の個数: 32

約数和(自身を含む): 16341801840

約数和(自身を除く): 9090117560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 12820, 25640, 282827, 565654, 1131308, 1414135, 2262616, 2828270, 5656540, 11313080, 181292107, 362584214, 725168428, 906460535, 1450336856, 1812921070, 3625842140, 7251684280]

約数ペア:

[(1, 7251684280), (2, 3625842140), (4, 1812921070), (5, 1450336856), (8, 906460535), (10, 725168428), (20, 362584214), (40, 181292107), (641, 11313080), (1282, 5656540), (2564, 2828270), (3205, 2262616), (5128, 1414135), (6410, 1131308), (12820, 565654), (25640, 282827)]