2176280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1327}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 5019840

約数和(自身を除く): 2843560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1327, 1640, 2654, 5308, 6635, 10616, 13270, 26540, 53080, 54407, 108814, 217628, 272035, 435256, 544070, 1088140, 2176280]

約数ペア:

[(1, 2176280), (2, 1088140), (4, 544070), (5, 435256), (8, 272035), (10, 217628), (20, 108814), (40, 54407), (41, 53080), (82, 26540), (164, 13270), (205, 10616), (328, 6635), (410, 5308), (820, 2654), (1327, 1640)]