1308800

素因数分解:

$2^7\times 5^2\times {\mathrm{409}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 3241050

約数和(自身を除く): 1932250

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 409, 640, 800, 818, 1600, 1636, 2045, 3200, 3272, 4090, 6544, 8180, 10225, 13088, 16360, 20450, 26176, 32720, 40900, 52352, 65440, 81800, 130880, 163600, 261760, 327200, 654400, 1308800]

約数ペア:

[(1, 1308800), (2, 654400), (4, 327200), (5, 261760), (8, 163600), (10, 130880), (16, 81800), (20, 65440), (25, 52352), (32, 40900), (40, 32720), (50, 26176), (64, 20450), (80, 16360), (100, 13088), (128, 10225), (160, 8180), (200, 6544), (320, 4090), (400, 3272), (409, 3200), (640, 2045), (800, 1636), (818, 1600)]