260224280

素因数分解:

$2^3\times 5^1\times {\mathrm{6505607}}^1$

素因数の和:6505618

約数の個数: 16

約数和(自身を含む): 585504720

約数和(自身を除く): 325280440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6505607, 13011214, 26022428, 32528035, 52044856, 65056070, 130112140, 260224280]

約数ペア:

[(1, 260224280), (2, 130112140), (4, 65056070), (5, 52044856), (8, 32528035), (10, 26022428), (20, 13011214), (40, 6505607)]