5160560

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:521

約数の個数: 40

約数和(自身を含む): 12092976

約数和(自身を除く): 6932416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 257, 502, 514, 1004, 1028, 1255, 1285, 2008, 2056, 2510, 2570, 4016, 4112, 5020, 5140, 10040, 10280, 20080, 20560, 64507, 129014, 258028, 322535, 516056, 645070, 1032112, 1290140, 2580280, 5160560]

約数ペア:

[(1, 5160560), (2, 2580280), (4, 1290140), (5, 1032112), (8, 645070), (10, 516056), (16, 322535), (20, 258028), (40, 129014), (80, 64507), (251, 20560), (257, 20080), (502, 10280), (514, 10040), (1004, 5140), (1028, 5020), (1255, 4112), (1285, 4016), (2008, 2570), (2056, 2510)]