131109080

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{33791}}^1$

素因数の和:33899

約数の個数: 32

約数和(自身を含む): 298045440

約数和(自身を除く): 166936360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 33791, 67582, 135164, 168955, 270328, 337910, 675820, 1351640, 3277727, 6555454, 13110908, 16388635, 26221816, 32777270, 65554540, 131109080]

約数ペア:

[(1, 131109080), (2, 65554540), (4, 32777270), (5, 26221816), (8, 16388635), (10, 13110908), (20, 6555454), (40, 3277727), (97, 1351640), (194, 675820), (388, 337910), (485, 270328), (776, 168955), (970, 135164), (1940, 67582), (3880, 33791)]