16451720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21647}}^1$

素因数の和:21677

約数の個数: 32

約数和(自身を含む): 38966400

約数和(自身を除く): 22514680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 21647, 43294, 86588, 108235, 173176, 216470, 411293, 432940, 822586, 865880, 1645172, 2056465, 3290344, 4112930, 8225860, 16451720]

約数ペア:

[(1, 16451720), (2, 8225860), (4, 4112930), (5, 3290344), (8, 2056465), (10, 1645172), (19, 865880), (20, 822586), (38, 432940), (40, 411293), (76, 216470), (95, 173176), (152, 108235), (190, 86588), (380, 43294), (760, 21647)]