78471040

素因数分解:

$2^7\times 5^1\times {\mathrm{122611}}^1$

素因数の和:122630

約数の個数: 32

約数和(自身を含む): 187596360

約数和(自身を除く): 109125320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 122611, 245222, 490444, 613055, 980888, 1226110, 1961776, 2452220, 3923552, 4904440, 7847104, 9808880, 15694208, 19617760, 39235520, 78471040]

約数ペア:

[(1, 78471040), (2, 39235520), (4, 19617760), (5, 15694208), (8, 9808880), (10, 7847104), (16, 4904440), (20, 3923552), (32, 2452220), (40, 1961776), (64, 1226110), (80, 980888), (128, 613055), (160, 490444), (320, 245222), (640, 122611)]