51644800

素因数分解:

$2^7\times 5^2\times {\mathrm{16139}}^1$

素因数の和:16163

約数の個数: 48

約数和(自身を含む): 127586700

約数和(自身を除く): 75941900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 16139, 32278, 64556, 80695, 129112, 161390, 258224, 322780, 403475, 516448, 645560, 806950, 1032896, 1291120, 1613900, 2065792, 2582240, 3227800, 5164480, 6455600, 10328960, 12911200, 25822400, 51644800]

約数ペア:

[(1, 51644800), (2, 25822400), (4, 12911200), (5, 10328960), (8, 6455600), (10, 5164480), (16, 3227800), (20, 2582240), (25, 2065792), (32, 1613900), (40, 1291120), (50, 1032896), (64, 806950), (80, 645560), (100, 516448), (128, 403475), (160, 322780), (200, 258224), (320, 161390), (400, 129112), (640, 80695), (800, 64556), (1600, 32278), (3200, 16139)]