156942080

素因数分解:

$2^8\times 5^1\times {\mathrm{122611}}^1$

素因数の和:122632

約数の個数: 36

約数和(自身を含む): 375928392

約数和(自身を除く): 218986312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 122611, 245222, 490444, 613055, 980888, 1226110, 1961776, 2452220, 3923552, 4904440, 7847104, 9808880, 15694208, 19617760, 31388416, 39235520, 78471040, 156942080]

約数ペア:

[(1, 156942080), (2, 78471040), (4, 39235520), (5, 31388416), (8, 19617760), (10, 15694208), (16, 9808880), (20, 7847104), (32, 4904440), (40, 3923552), (64, 2452220), (80, 1961776), (128, 1226110), (160, 980888), (256, 613055), (320, 490444), (640, 245222), (1280, 122611)]