15839739980

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5780927}}^1$

素因数の和:5781073

約数の個数: 24

約数和(自身を含む): 33506258688

約数和(自身を除く): 17666518708

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 5780927, 11561854, 23123708, 28904635, 57809270, 115618540, 791986999, 1583973998, 3167947996, 3959934995, 7919869990, 15839739980]

約数ペア:

[(1, 15839739980), (2, 7919869990), (4, 3959934995), (5, 3167947996), (10, 1583973998), (20, 791986999), (137, 115618540), (274, 57809270), (548, 28904635), (685, 23123708), (1370, 11561854), (2740, 5780927)]