1809207040

素因数分解:

$2^8\times 5^1\times {\mathrm{1413443}}^1$

素因数の和:1413464

約数の個数: 36

約数和(自身を含む): 4333619304

約数和(自身を除く): 2524412264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1413443, 2826886, 5653772, 7067215, 11307544, 14134430, 22615088, 28268860, 45230176, 56537720, 90460352, 113075440, 180920704, 226150880, 361841408, 452301760, 904603520, 1809207040]

約数ペア:

[(1, 1809207040), (2, 904603520), (4, 452301760), (5, 361841408), (8, 226150880), (10, 180920704), (16, 113075440), (20, 90460352), (32, 56537720), (40, 45230176), (64, 28268860), (80, 22615088), (128, 14134430), (160, 11307544), (256, 7067215), (320, 5653772), (640, 2826886), (1280, 1413443)]