80660140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{11827}}^1$

素因数の和:11878

約数の個数: 48

約数和(自身を含む): 190761984

約数和(自身を除く): 110101844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 11827, 23654, 47308, 59135, 118270, 130097, 236540, 260194, 366637, 520388, 650485, 733274, 1300970, 1466548, 1833185, 2601940, 3666370, 4033007, 7332740, 8066014, 16132028, 20165035, 40330070, 80660140]

約数ペア:

[(1, 80660140), (2, 40330070), (4, 20165035), (5, 16132028), (10, 8066014), (11, 7332740), (20, 4033007), (22, 3666370), (31, 2601940), (44, 1833185), (55, 1466548), (62, 1300970), (110, 733274), (124, 650485), (155, 520388), (220, 366637), (310, 260194), (341, 236540), (620, 130097), (682, 118270), (1364, 59135), (1705, 47308), (3410, 23654), (6820, 11827)]