40719680

素因数分解:

$2^6\times 5^1\times {\mathrm{127249}}^1$

素因数の和:127266

約数の個数: 28

約数和(自身を含む): 96964500

約数和(自身を除く): 56244820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 127249, 254498, 508996, 636245, 1017992, 1272490, 2035984, 2544980, 4071968, 5089960, 8143936, 10179920, 20359840, 40719680]

約数ペア:

[(1, 40719680), (2, 20359840), (4, 10179920), (5, 8143936), (8, 5089960), (10, 4071968), (16, 2544980), (20, 2035984), (32, 1272490), (40, 1017992), (64, 636245), (80, 508996), (160, 254498), (320, 127249)]