80208842

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 152616960

約数和(自身を除く): 72408118

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 71, 133, 137, 142, 217, 266, 274, 434, 497, 589, 959, 994, 1178, 1349, 1918, 2201, 2603, 2698, 4123, 4247, 4402, 5206, 8246, 8494, 9443, 9727, 15407, 18221, 18886, 19454, 29729, 30814, 36442, 41819, 59458, 68089, 80693, 83638, 136178, 161386, 184813, 292733, 301537, 369626, 564851, 585466, 603074, 1129702, 1293691, 2110759, 2587382, 4221518, 5729203, 11458406, 40104421, 80208842]

約数ペア:

[(1, 80208842), (2, 40104421), (7, 11458406), (14, 5729203), (19, 4221518), (31, 2587382), (38, 2110759), (62, 1293691), (71, 1129702), (133, 603074), (137, 585466), (142, 564851), (217, 369626), (266, 301537), (274, 292733), (434, 184813), (497, 161386), (589, 136178), (959, 83638), (994, 80693), (1178, 68089), (1349, 59458), (1918, 41819), (2201, 36442), (2603, 30814), (2698, 29729), (4123, 19454), (4247, 18886), (4402, 18221), (5206, 15407), (8246, 9727), (8494, 9443)]