201616840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107243}}^1$

素因数の和:107301

約数の個数: 32

約数和(自身を含む): 463294080

約数和(自身を除く): 261677240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 107243, 214486, 428972, 536215, 857944, 1072430, 2144860, 4289720, 5040421, 10080842, 20161684, 25202105, 40323368, 50404210, 100808420, 201616840]

約数ペア:

[(1, 201616840), (2, 100808420), (4, 50404210), (5, 40323368), (8, 25202105), (10, 20161684), (20, 10080842), (40, 5040421), (47, 4289720), (94, 2144860), (188, 1072430), (235, 857944), (376, 536215), (470, 428972), (940, 214486), (1880, 107243)]