77565080

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{19991}}^1$

素因数の和:20099

約数の個数: 32

約数和(自身を含む): 176329440

約数和(自身を除く): 98764360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 19991, 39982, 79964, 99955, 159928, 199910, 399820, 799640, 1939127, 3878254, 7756508, 9695635, 15513016, 19391270, 38782540, 77565080]

約数ペア:

[(1, 77565080), (2, 38782540), (4, 19391270), (5, 15513016), (8, 9695635), (10, 7756508), (20, 3878254), (40, 1939127), (97, 799640), (194, 399820), (388, 199910), (485, 159928), (776, 99955), (970, 79964), (1940, 39982), (3880, 19991)]