128585920

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21149}}^1$

素因数の和:21185

約数の個数: 56

約数和(自身を含む): 322326000

約数和(自身を除く): 193740080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 21149, 42298, 84596, 105745, 169192, 211490, 338384, 401831, 422980, 676768, 803662, 845960, 1353536, 1607324, 1691920, 2009155, 3214648, 3383840, 4018310, 6429296, 6767680, 8036620, 12858592, 16073240, 25717184, 32146480, 64292960, 128585920]

約数ペア:

[(1, 128585920), (2, 64292960), (4, 32146480), (5, 25717184), (8, 16073240), (10, 12858592), (16, 8036620), (19, 6767680), (20, 6429296), (32, 4018310), (38, 3383840), (40, 3214648), (64, 2009155), (76, 1691920), (80, 1607324), (95, 1353536), (152, 845960), (160, 803662), (190, 676768), (304, 422980), (320, 401831), (380, 338384), (608, 211490), (760, 169192), (1216, 105745), (1520, 84596), (3040, 42298), (6080, 21149)]