38680280

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3491}}^1$

素因数の和:3779

約数の個数: 32

約数和(自身を含む): 87369840

約数和(自身を除く): 48689560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 3491, 5540, 6982, 11080, 13964, 17455, 27928, 34910, 69820, 139640, 967007, 1934014, 3868028, 4835035, 7736056, 9670070, 19340140, 38680280]

約数ペア:

[(1, 38680280), (2, 19340140), (4, 9670070), (5, 7736056), (8, 4835035), (10, 3868028), (20, 1934014), (40, 967007), (277, 139640), (554, 69820), (1108, 34910), (1385, 27928), (2216, 17455), (2770, 13964), (3491, 11080), (5540, 6982)]