16951960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 22861160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 71, 94, 127, 142, 188, 235, 254, 284, 355, 376, 470, 508, 568, 635, 710, 940, 1016, 1270, 1420, 1880, 2540, 2840, 3337, 5080, 5969, 6674, 9017, 11938, 13348, 16685, 18034, 23876, 26696, 29845, 33370, 36068, 45085, 47752, 59690, 66740, 72136, 90170, 119380, 133480, 180340, 238760, 360680, 423799, 847598, 1695196, 2118995, 3390392, 4237990, 8475980, 16951960]

約数ペア:

[(1, 16951960), (2, 8475980), (4, 4237990), (5, 3390392), (8, 2118995), (10, 1695196), (20, 847598), (40, 423799), (47, 360680), (71, 238760), (94, 180340), (127, 133480), (142, 119380), (188, 90170), (235, 72136), (254, 66740), (284, 59690), (355, 47752), (376, 45085), (470, 36068), (508, 33370), (568, 29845), (635, 26696), (710, 23876), (940, 18034), (1016, 16685), (1270, 13348), (1420, 11938), (1880, 9017), (2540, 6674), (2840, 5969), (3337, 5080)]