66140140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15823}}^1$

素因数の和:15862

約数の個数: 48

約数和(自身を含む): 159505920

約数和(自身を除く): 93365780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 15823, 31646, 63292, 79115, 158230, 174053, 300637, 316460, 348106, 601274, 696212, 870265, 1202548, 1503185, 1740530, 3006370, 3307007, 3481060, 6012740, 6614014, 13228028, 16535035, 33070070, 66140140]

約数ペア:

[(1, 66140140), (2, 33070070), (4, 16535035), (5, 13228028), (10, 6614014), (11, 6012740), (19, 3481060), (20, 3307007), (22, 3006370), (38, 1740530), (44, 1503185), (55, 1202548), (76, 870265), (95, 696212), (110, 601274), (190, 348106), (209, 316460), (220, 300637), (380, 174053), (418, 158230), (836, 79115), (1045, 63292), (2090, 31646), (4180, 15823)]