16616840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5851}}^1$

素因数の和:5933

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 21304120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 5851, 11702, 23404, 29255, 46808, 58510, 117020, 234040, 415421, 830842, 1661684, 2077105, 3323368, 4154210, 8308420, 16616840]

約数ペア:

[(1, 16616840), (2, 8308420), (4, 4154210), (5, 3323368), (8, 2077105), (10, 1661684), (20, 830842), (40, 415421), (71, 234040), (142, 117020), (284, 58510), (355, 46808), (568, 29255), (710, 23404), (1420, 11702), (2840, 5851)]