317932040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193861}}^1$

素因数の和:193913

約数の個数: 32

約数和(自身を含む): 732798360

約数和(自身を除く): 414866320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 193861, 387722, 775444, 969305, 1550888, 1938610, 3877220, 7754440, 7948301, 15896602, 31793204, 39741505, 63586408, 79483010, 158966020, 317932040]

約数ペア:

[(1, 317932040), (2, 158966020), (4, 79483010), (5, 63586408), (8, 39741505), (10, 31793204), (20, 15896602), (40, 7948301), (41, 7754440), (82, 3877220), (164, 1938610), (205, 1550888), (328, 969305), (410, 775444), (820, 387722), (1640, 193861)]