16770280

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1987}}^1$

素因数の和:2209

約数の個数: 32

約数和(自身を含む): 37931040

約数和(自身を除く): 21160760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 1987, 2110, 3974, 4220, 7948, 8440, 9935, 15896, 19870, 39740, 79480, 419257, 838514, 1677028, 2096285, 3354056, 4192570, 8385140, 16770280]

約数ペア:

[(1, 16770280), (2, 8385140), (4, 4192570), (5, 3354056), (8, 2096285), (10, 1677028), (20, 838514), (40, 419257), (211, 79480), (422, 39740), (844, 19870), (1055, 15896), (1688, 9935), (1987, 8440), (2110, 7948), (3974, 4220)]