12945020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2029}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 30693600

約数和(自身を除く): 17748580

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, 2029, 3190, 4058, 6380, 8116, 10145, 20290, 22319, 40580, 44638, 58841, 89276, 111595, 117682, 223190, 235364, 294205, 446380, 588410, 647251, 1176820, 1294502, 2589004, 3236255, 6472510, 12945020]

約数ペア:

[(1, 12945020), (2, 6472510), (4, 3236255), (5, 2589004), (10, 1294502), (11, 1176820), (20, 647251), (22, 588410), (29, 446380), (44, 294205), (55, 235364), (58, 223190), (110, 117682), (116, 111595), (145, 89276), (220, 58841), (290, 44638), (319, 40580), (580, 22319), (638, 20290), (1276, 10145), (1595, 8116), (2029, 6380), (3190, 4058)]