8045320

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1447}}^1$

素因数の和:1597

約数の個数: 32

約数和(自身を含む): 18244800

約数和(自身を除く): 10199480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 1447, 2780, 2894, 5560, 5788, 7235, 11576, 14470, 28940, 57880, 201133, 402266, 804532, 1005665, 1609064, 2011330, 4022660, 8045320]

約数ペア:

[(1, 8045320), (2, 4022660), (4, 2011330), (5, 1609064), (8, 1005665), (10, 804532), (20, 402266), (40, 201133), (139, 57880), (278, 28940), (556, 14470), (695, 11576), (1112, 7235), (1390, 5788), (1447, 5560), (2780, 2894)]