51916000

素因数分解:

$2^5\times 5^3\times {\mathrm{12979}}^1$

素因数の和:13004

約数の個数: 48

約数和(自身を含む): 127567440

約数和(自身を除く): 75651440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 12979, 25958, 51916, 64895, 103832, 129790, 207664, 259580, 324475, 415328, 519160, 648950, 1038320, 1297900, 1622375, 2076640, 2595800, 3244750, 5191600, 6489500, 10383200, 12979000, 25958000, 51916000]

約数ペア:

[(1, 51916000), (2, 25958000), (4, 12979000), (5, 10383200), (8, 6489500), (10, 5191600), (16, 3244750), (20, 2595800), (25, 2076640), (32, 1622375), (40, 1297900), (50, 1038320), (80, 648950), (100, 519160), (125, 415328), (160, 324475), (200, 259580), (250, 207664), (400, 129790), (500, 103832), (800, 64895), (1000, 51916), (2000, 25958), (4000, 12979)]