16982440

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3343}}^1$

素因数の和:3481

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 21540440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 3343, 5080, 6686, 13372, 16715, 26744, 33430, 66860, 133720, 424561, 849122, 1698244, 2122805, 3396488, 4245610, 8491220, 16982440]

約数ペア:

[(1, 16982440), (2, 8491220), (4, 4245610), (5, 3396488), (8, 2122805), (10, 1698244), (20, 849122), (40, 424561), (127, 133720), (254, 66860), (508, 33430), (635, 26744), (1016, 16715), (1270, 13372), (2540, 6686), (3343, 5080)]