51128240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33637}}^1$

素因数の和:33669

約数の個数: 40

約数和(自身を含む): 125133360

約数和(自身を除く): 74005120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 33637, 67274, 134548, 168185, 269096, 336370, 538192, 639103, 672740, 1278206, 1345480, 2556412, 2690960, 3195515, 5112824, 6391030, 10225648, 12782060, 25564120, 51128240]

約数ペア:

[(1, 51128240), (2, 25564120), (4, 12782060), (5, 10225648), (8, 6391030), (10, 5112824), (16, 3195515), (19, 2690960), (20, 2556412), (38, 1345480), (40, 1278206), (76, 672740), (80, 639103), (95, 538192), (152, 336370), (190, 269096), (304, 168185), (380, 134548), (760, 67274), (1520, 33637)]