16402390

素因数分解:

$2^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1993}}^1$

素因数の和:2823

約数の個数: 16

約数和(自身を含む): 29575008

約数和(自身を除く): 13172618

約数列:

[1, 2, 5, 10, 823, 1646, 1993, 3986, 4115, 8230, 9965, 19930, 1640239, 3280478, 8201195, 16402390]

約数ペア:

[(1, 16402390), (2, 8201195), (5, 3280478), (10, 1640239), (823, 19930), (1646, 9965), (1993, 8230), (3986, 4115)]