51649040

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{17449}}^1$

素因数の和:17499

約数の個数: 40

約数和(自身を含む): 123336600

約数和(自身を除く): 71687560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 17449, 34898, 69796, 87245, 139592, 174490, 279184, 348980, 645613, 697960, 1291226, 1395920, 2582452, 3228065, 5164904, 6456130, 10329808, 12912260, 25824520, 51649040]

約数ペア:

[(1, 51649040), (2, 25824520), (4, 12912260), (5, 10329808), (8, 6456130), (10, 5164904), (16, 3228065), (20, 2582452), (37, 1395920), (40, 1291226), (74, 697960), (80, 645613), (148, 348980), (185, 279184), (296, 174490), (370, 139592), (592, 87245), (740, 69796), (1480, 34898), (2960, 17449)]