165780760

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{42727}}^1$

素因数の和:42835

約数の個数: 32

約数和(自身を含む): 376860960

約数和(自身を除く): 211080200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 42727, 85454, 170908, 213635, 341816, 427270, 854540, 1709080, 4144519, 8289038, 16578076, 20722595, 33156152, 41445190, 82890380, 165780760]

約数ペア:

[(1, 165780760), (2, 82890380), (4, 41445190), (5, 33156152), (8, 20722595), (10, 16578076), (20, 8289038), (40, 4144519), (97, 1709080), (194, 854540), (388, 427270), (485, 341816), (776, 213635), (970, 170908), (1940, 85454), (3880, 42727)]