172858702960

素因数分解:

$2^4\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2180357}}^1$

素因数の和:2181361

約数の個数: 40

約数和(自身を含む): 402302215296

約数和(自身を除く): 229443512336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991, 1982, 3964, 4955, 7928, 9910, 15856, 19820, 39640, 79280, 2180357, 4360714, 8721428, 10901785, 17442856, 21803570, 34885712, 43607140, 87214280, 174428560, 2160733787, 4321467574, 8642935148, 10803668935, 17285870296, 21607337870, 34571740592, 43214675740, 86429351480, 172858702960]

約数ペア:

[(1, 172858702960), (2, 86429351480), (4, 43214675740), (5, 34571740592), (8, 21607337870), (10, 17285870296), (16, 10803668935), (20, 8642935148), (40, 4321467574), (80, 2160733787), (991, 174428560), (1982, 87214280), (3964, 43607140), (4955, 34885712), (7928, 21803570), (9910, 17442856), (15856, 10901785), (19820, 8721428), (39640, 4360714), (79280, 2180357)]