28775560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3847}}^1$

素因数の和:3886

約数の個数: 64

約数和(自身を含む): 74805120

約数和(自身を除く): 46029560

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 3847, 7480, 7694, 15388, 19235, 30776, 38470, 42317, 65399, 76940, 84634, 130798, 153880, 169268, 211585, 261596, 326995, 338536, 423170, 523192, 653990, 719389, 846340, 1307980, 1438778, 1692680, 2615960, 2877556, 3596945, 5755112, 7193890, 14387780, 28775560]

約数ペア:

[(1, 28775560), (2, 14387780), (4, 7193890), (5, 5755112), (8, 3596945), (10, 2877556), (11, 2615960), (17, 1692680), (20, 1438778), (22, 1307980), (34, 846340), (40, 719389), (44, 653990), (55, 523192), (68, 423170), (85, 338536), (88, 326995), (110, 261596), (136, 211585), (170, 169268), (187, 153880), (220, 130798), (340, 84634), (374, 76940), (440, 65399), (680, 42317), (748, 38470), (935, 30776), (1496, 19235), (1870, 15388), (3740, 7694), (3847, 7480)]