21875200

素因数分解:

$2^9\times 5^2\times {\mathrm{1709}}^1$

素因数の和:1737

約数の個数: 60

約数和(自身を含む): 54229230

約数和(自身を除く): 32354030

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 1709, 2560, 3200, 3418, 6400, 6836, 8545, 12800, 13672, 17090, 27344, 34180, 42725, 54688, 68360, 85450, 109376, 136720, 170900, 218752, 273440, 341800, 437504, 546880, 683600, 875008, 1093760, 1367200, 2187520, 2734400, 4375040, 5468800, 10937600, 21875200]

約数ペア:

[(1, 21875200), (2, 10937600), (4, 5468800), (5, 4375040), (8, 2734400), (10, 2187520), (16, 1367200), (20, 1093760), (25, 875008), (32, 683600), (40, 546880), (50, 437504), (64, 341800), (80, 273440), (100, 218752), (128, 170900), (160, 136720), (200, 109376), (256, 85450), (320, 68360), (400, 54688), (512, 42725), (640, 34180), (800, 27344), (1280, 17090), (1600, 13672), (1709, 12800), (2560, 8545), (3200, 6836), (3418, 6400)]