11719640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4373}}^1$

素因数の和:4451

約数の個数: 32

約数和(自身を含む): 26768880

約数和(自身を除く): 15049240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 4373, 8746, 17492, 21865, 34984, 43730, 87460, 174920, 292991, 585982, 1171964, 1464955, 2343928, 2929910, 5859820, 11719640]

約数ペア:

[(1, 11719640), (2, 5859820), (4, 2929910), (5, 2343928), (8, 1464955), (10, 1171964), (20, 585982), (40, 292991), (67, 174920), (134, 87460), (268, 43730), (335, 34984), (536, 21865), (670, 17492), (1340, 8746), (2680, 4373)]