80089988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{827}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 160247808

約数和(自身を除く): 80157820

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 71, 124, 142, 284, 341, 682, 781, 827, 1364, 1562, 1654, 2201, 3124, 3308, 4402, 8804, 9097, 18194, 24211, 25637, 36388, 48422, 51274, 58717, 96844, 102548, 117434, 234868, 282007, 564014, 645887, 1128028, 1291774, 1820227, 2583548, 3640454, 7280908, 20022497, 40044994, 80089988]

約数ペア:

[(1, 80089988), (2, 40044994), (4, 20022497), (11, 7280908), (22, 3640454), (31, 2583548), (44, 1820227), (62, 1291774), (71, 1128028), (124, 645887), (142, 564014), (284, 282007), (341, 234868), (682, 117434), (781, 102548), (827, 96844), (1364, 58717), (1562, 51274), (1654, 48422), (2201, 36388), (3124, 25637), (3308, 24211), (4402, 18194), (8804, 9097)]