82986380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{977}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 181391616

約数和(自身を除く): 98405236

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 274, 310, 548, 620, 685, 977, 1370, 1954, 2740, 3908, 4247, 4885, 8494, 9770, 16988, 19540, 21235, 30287, 42470, 60574, 84940, 121148, 133849, 151435, 267698, 302870, 535396, 605740, 669245, 1338490, 2676980, 4149319, 8298638, 16597276, 20746595, 41493190, 82986380]

約数ペア:

[(1, 82986380), (2, 41493190), (4, 20746595), (5, 16597276), (10, 8298638), (20, 4149319), (31, 2676980), (62, 1338490), (124, 669245), (137, 605740), (155, 535396), (274, 302870), (310, 267698), (548, 151435), (620, 133849), (685, 121148), (977, 84940), (1370, 60574), (1954, 42470), (2740, 30287), (3908, 21235), (4247, 19540), (4885, 16988), (8494, 9770)]