2016451480

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{321091}}^1$

素因数の和:321259

約数の個数: 32

約数和(自身を含む): 4565928240

約数和(自身を除く): 2549476760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 321091, 642182, 1284364, 1605455, 2568728, 3210910, 6421820, 12843640, 50411287, 100822574, 201645148, 252056435, 403290296, 504112870, 1008225740, 2016451480]

約数ペア:

[(1, 2016451480), (2, 1008225740), (4, 504112870), (5, 403290296), (8, 252056435), (10, 201645148), (20, 100822574), (40, 50411287), (157, 12843640), (314, 6421820), (628, 3210910), (785, 2568728), (1256, 1605455), (1570, 1284364), (3140, 642182), (6280, 321091)]