47780120

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{8719}}^1$

素因数の和:8867

約数の個数: 32

約数和(自身を含む): 108302400

約数和(自身を除く): 60522280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 8719, 17438, 34876, 43595, 69752, 87190, 174380, 348760, 1194503, 2389006, 4778012, 5972515, 9556024, 11945030, 23890060, 47780120]

約数ペア:

[(1, 47780120), (2, 23890060), (4, 11945030), (5, 9556024), (8, 5972515), (10, 4778012), (20, 2389006), (40, 1194503), (137, 348760), (274, 174380), (548, 87190), (685, 69752), (1096, 43595), (1370, 34876), (2740, 17438), (5480, 8719)]