16268440

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1283}}^1$

素因数の和:1611

約数の個数: 32

約数和(自身を含む): 36748080

約数和(自身を除く): 20479640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1283, 1585, 2536, 2566, 3170, 5132, 6340, 6415, 10264, 12680, 12830, 25660, 51320, 406711, 813422, 1626844, 2033555, 3253688, 4067110, 8134220, 16268440]

約数ペア:

[(1, 16268440), (2, 8134220), (4, 4067110), (5, 3253688), (8, 2033555), (10, 1626844), (20, 813422), (40, 406711), (317, 51320), (634, 25660), (1268, 12830), (1283, 12680), (1585, 10264), (2536, 6415), (2566, 6340), (3170, 5132)]