51493040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1783}}^1$

素因数の和:1834

約数の個数: 60

約数和(自身を含む): 126424944

約数和(自身を除く): 74931904

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1783, 1805, 2888, 3566, 3610, 5776, 7132, 7220, 8915, 14264, 14440, 17830, 28528, 28880, 33877, 35660, 67754, 71320, 135508, 142640, 169385, 271016, 338770, 542032, 643663, 677540, 1287326, 1355080, 2574652, 2710160, 3218315, 5149304, 6436630, 10298608, 12873260, 25746520, 51493040]

約数ペア:

[(1, 51493040), (2, 25746520), (4, 12873260), (5, 10298608), (8, 6436630), (10, 5149304), (16, 3218315), (19, 2710160), (20, 2574652), (38, 1355080), (40, 1287326), (76, 677540), (80, 643663), (95, 542032), (152, 338770), (190, 271016), (304, 169385), (361, 142640), (380, 135508), (722, 71320), (760, 67754), (1444, 35660), (1520, 33877), (1783, 28880), (1805, 28528), (2888, 17830), (3566, 14440), (3610, 14264), (5776, 8915), (7132, 7220)]