55276176380

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1\times {\mathrm{20357}}^1$

素因数の和:21494

約数の個数: 48

約数和(自身を含む): 117051008256

約数和(自身を除く): 61774831876

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 991, 1370, 1982, 2740, 3964, 4955, 9910, 19820, 20357, 40714, 81428, 101785, 135767, 203570, 271534, 407140, 543068, 678835, 1357670, 2715340, 2788909, 5577818, 11155636, 13944545, 20173787, 27889090, 40347574, 55778180, 80695148, 100868935, 201737870, 403475740, 2763808819, 5527617638, 11055235276, 13819044095, 27638088190, 55276176380]

約数ペア:

[(1, 55276176380), (2, 27638088190), (4, 13819044095), (5, 11055235276), (10, 5527617638), (20, 2763808819), (137, 403475740), (274, 201737870), (548, 100868935), (685, 80695148), (991, 55778180), (1370, 40347574), (1982, 27889090), (2740, 20173787), (3964, 13944545), (4955, 11155636), (9910, 5577818), (19820, 2788909), (20357, 2715340), (40714, 1357670), (81428, 678835), (101785, 543068), (135767, 407140), (203570, 271534)]