16454960

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2897}}^1$

素因数の和:2981

約数の個数: 40

約数和(自身を含む): 38810016

約数和(自身を除く): 22355056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 2897, 5680, 5794, 11588, 14485, 23176, 28970, 46352, 57940, 115880, 205687, 231760, 411374, 822748, 1028435, 1645496, 2056870, 3290992, 4113740, 8227480, 16454960]

約数ペア:

[(1, 16454960), (2, 8227480), (4, 4113740), (5, 3290992), (8, 2056870), (10, 1645496), (16, 1028435), (20, 822748), (40, 411374), (71, 231760), (80, 205687), (142, 115880), (284, 57940), (355, 46352), (568, 28970), (710, 23176), (1136, 14485), (1420, 11588), (2840, 5794), (2897, 5680)]