40394810

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{66221}}^1$

素因数の和:66289

約数の個数: 16

約数和(自身を含む): 73903752

約数和(自身を除く): 33508942

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 66221, 132442, 331105, 662210, 4039481, 8078962, 20197405, 40394810]

約数ペア:

[(1, 40394810), (2, 20197405), (5, 8078962), (10, 4039481), (61, 662210), (122, 331105), (305, 132442), (610, 66221)]