12761810

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{20921}}^1$

素因数の和:20989

約数の個数: 16

約数和(自身を含む): 23348952

約数和(自身を除く): 10587142

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 20921, 41842, 104605, 209210, 1276181, 2552362, 6380905, 12761810]

約数ペア:

[(1, 12761810), (2, 6380905), (5, 2552362), (10, 1276181), (61, 209210), (122, 104605), (305, 41842), (610, 20921)]