1570280020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{25717}}^1$

素因数の和:25840

約数の個数: 48

約数和(自身を含む): 3421934208

約数和(自身を除く): 1851654188

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 284, 355, 430, 710, 860, 1420, 3053, 6106, 12212, 15265, 25717, 30530, 51434, 61060, 102868, 128585, 257170, 514340, 1105831, 1825907, 2211662, 3651814, 4423324, 5529155, 7303628, 9129535, 11058310, 18259070, 22116620, 36518140, 78514001, 157028002, 314056004, 392570005, 785140010, 1570280020]

約数ペア:

[(1, 1570280020), (2, 785140010), (4, 392570005), (5, 314056004), (10, 157028002), (20, 78514001), (43, 36518140), (71, 22116620), (86, 18259070), (142, 11058310), (172, 9129535), (215, 7303628), (284, 5529155), (355, 4423324), (430, 3651814), (710, 2211662), (860, 1825907), (1420, 1105831), (3053, 514340), (6106, 257170), (12212, 128585), (15265, 102868), (25717, 61060), (30530, 51434)]