31262440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 77319360

約数和(自身を除く): 46056920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 227, 313, 440, 454, 626, 908, 1135, 1252, 1565, 1816, 2270, 2497, 2504, 3130, 3443, 4540, 4994, 6260, 6886, 9080, 9988, 12485, 12520, 13772, 17215, 19976, 24970, 27544, 34430, 49940, 68860, 71051, 99880, 137720, 142102, 284204, 355255, 568408, 710510, 781561, 1421020, 1563122, 2842040, 3126244, 3907805, 6252488, 7815610, 15631220, 31262440]

約数ペア:

[(1, 31262440), (2, 15631220), (4, 7815610), (5, 6252488), (8, 3907805), (10, 3126244), (11, 2842040), (20, 1563122), (22, 1421020), (40, 781561), (44, 710510), (55, 568408), (88, 355255), (110, 284204), (220, 142102), (227, 137720), (313, 99880), (440, 71051), (454, 68860), (626, 49940), (908, 34430), (1135, 27544), (1252, 24970), (1565, 19976), (1816, 17215), (2270, 13772), (2497, 12520), (2504, 12485), (3130, 9988), (3443, 9080), (4540, 6886), (4994, 6260)]