16181320

素因数分解:

$2^3\times 5^1\times {\mathrm{404533}}^1$

素因数の和:404544

約数の個数: 16

約数和(自身を含む): 36408060

約数和(自身を除く): 20226740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 404533, 809066, 1618132, 2022665, 3236264, 4045330, 8090660, 16181320]

約数ペア:

[(1, 16181320), (2, 8090660), (4, 4045330), (5, 3236264), (8, 2022665), (10, 1618132), (20, 809066), (40, 404533)]