56861740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16823}}^1$

素因数の和:16858

約数の個数: 36

約数和(自身を含む): 129309264

約数和(自身を除く): 72447524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 16823, 33646, 67292, 84115, 168230, 218699, 336460, 437398, 874796, 1093495, 2186990, 2843087, 4373980, 5686174, 11372348, 14215435, 28430870, 56861740]

約数ペア:

[(1, 56861740), (2, 28430870), (4, 14215435), (5, 11372348), (10, 5686174), (13, 4373980), (20, 2843087), (26, 2186990), (52, 1093495), (65, 874796), (130, 437398), (169, 336460), (260, 218699), (338, 168230), (676, 84115), (845, 67292), (1690, 33646), (3380, 16823)]