40137400

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1987}}^1$

素因数の和:2104

約数の個数: 48

約数和(自身を含む): 94290840

約数和(自身を除く): 54153440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 1987, 2020, 2525, 3974, 4040, 5050, 7948, 9935, 10100, 15896, 19870, 20200, 39740, 49675, 79480, 99350, 198700, 200687, 397400, 401374, 802748, 1003435, 1605496, 2006870, 4013740, 5017175, 8027480, 10034350, 20068700, 40137400]

約数ペア:

[(1, 40137400), (2, 20068700), (4, 10034350), (5, 8027480), (8, 5017175), (10, 4013740), (20, 2006870), (25, 1605496), (40, 1003435), (50, 802748), (100, 401374), (101, 397400), (200, 200687), (202, 198700), (404, 99350), (505, 79480), (808, 49675), (1010, 39740), (1987, 20200), (2020, 19870), (2525, 15896), (3974, 10100), (4040, 9935), (5050, 7948)]