39409840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16987}}^1$

素因数の和:17029

約数の個数: 40

約数和(自身を含む): 94793040

約数和(自身を除く): 55383200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 16987, 33974, 67948, 84935, 135896, 169870, 271792, 339740, 492623, 679480, 985246, 1358960, 1970492, 2463115, 3940984, 4926230, 7881968, 9852460, 19704920, 39409840]

約数ペア:

[(1, 39409840), (2, 19704920), (4, 9852460), (5, 7881968), (8, 4926230), (10, 3940984), (16, 2463115), (20, 1970492), (29, 1358960), (40, 985246), (58, 679480), (80, 492623), (116, 339740), (145, 271792), (232, 169870), (290, 135896), (464, 84935), (580, 67948), (1160, 33974), (2320, 16987)]