12319780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1931}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 29211840

約数和(自身を除く): 16892060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 1931, 3190, 3862, 6380, 7724, 9655, 19310, 21241, 38620, 42482, 55999, 84964, 106205, 111998, 212410, 223996, 279995, 424820, 559990, 615989, 1119980, 1231978, 2463956, 3079945, 6159890, 12319780]

約数ペア:

[(1, 12319780), (2, 6159890), (4, 3079945), (5, 2463956), (10, 1231978), (11, 1119980), (20, 615989), (22, 559990), (29, 424820), (44, 279995), (55, 223996), (58, 212410), (110, 111998), (116, 106205), (145, 84964), (220, 55999), (290, 42482), (319, 38620), (580, 21241), (638, 19310), (1276, 9655), (1595, 7724), (1931, 6380), (3190, 3862)]