26981080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{557}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 69906240

約数和(自身を除く): 42925160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 557, 692, 865, 1114, 1211, 1384, 1730, 2228, 2422, 2785, 3460, 3899, 4456, 4844, 5570, 6055, 6920, 7798, 9688, 11140, 12110, 15596, 19495, 22280, 24220, 31192, 38990, 48440, 77980, 96361, 155960, 192722, 385444, 481805, 674527, 770888, 963610, 1349054, 1927220, 2698108, 3372635, 3854440, 5396216, 6745270, 13490540, 26981080]

約数ペア:

[(1, 26981080), (2, 13490540), (4, 6745270), (5, 5396216), (7, 3854440), (8, 3372635), (10, 2698108), (14, 1927220), (20, 1349054), (28, 963610), (35, 770888), (40, 674527), (56, 481805), (70, 385444), (140, 192722), (173, 155960), (280, 96361), (346, 77980), (557, 48440), (692, 38990), (865, 31192), (1114, 24220), (1211, 22280), (1384, 19495), (1730, 15596), (2228, 12110), (2422, 11140), (2785, 9688), (3460, 7798), (3899, 6920), (4456, 6055), (4844, 5570)]