1047040

素因数分解:

$2^9\times 5^1\times {\mathrm{409}}^1$

素因数の和:432

約数の個数: 40

約数和(自身を含む): 2516580

約数和(自身を除く): 1469540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 409, 512, 640, 818, 1280, 1636, 2045, 2560, 3272, 4090, 6544, 8180, 13088, 16360, 26176, 32720, 52352, 65440, 104704, 130880, 209408, 261760, 523520, 1047040]

約数ペア:

[(1, 1047040), (2, 523520), (4, 261760), (5, 209408), (8, 130880), (10, 104704), (16, 65440), (20, 52352), (32, 32720), (40, 26176), (64, 16360), (80, 13088), (128, 8180), (160, 6544), (256, 4090), (320, 3272), (409, 2560), (512, 2045), (640, 1636), (818, 1280)]