81787970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{39133}}^1$

素因数の和:39170

約数の個数: 32

約数和(自身を含む): 169058880

約数和(自身を除く): 87270910

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 39133, 78266, 195665, 391330, 430463, 743527, 860926, 1487054, 2152315, 3717635, 4304630, 7435270, 8178797, 16357594, 40893985, 81787970]

約数ペア:

[(1, 81787970), (2, 40893985), (5, 16357594), (10, 8178797), (11, 7435270), (19, 4304630), (22, 3717635), (38, 2152315), (55, 1487054), (95, 860926), (110, 743527), (190, 430463), (209, 391330), (418, 195665), (1045, 78266), (2090, 39133)]