1639349080

素因数分解:

$2^3\times 5^1\times {\mathrm{40983727}}^1$

素因数の和:40983738

約数の個数: 16

約数和(自身を含む): 3688535520

約数和(自身を除く): 2049186440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 40983727, 81967454, 163934908, 204918635, 327869816, 409837270, 819674540, 1639349080]

約数ペア:

[(1, 1639349080), (2, 819674540), (4, 409837270), (5, 327869816), (8, 204918635), (10, 163934908), (20, 81967454), (40, 40983727)]