51366640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49391}}^1$

素因数の和:49417

約数の個数: 40

約数和(自身を含む): 128616768

約数和(自身を除く): 77250128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 49391, 98782, 197564, 246955, 395128, 493910, 642083, 790256, 987820, 1284166, 1975640, 2568332, 3210415, 3951280, 5136664, 6420830, 10273328, 12841660, 25683320, 51366640]

約数ペア:

[(1, 51366640), (2, 25683320), (4, 12841660), (5, 10273328), (8, 6420830), (10, 5136664), (13, 3951280), (16, 3210415), (20, 2568332), (26, 1975640), (40, 1284166), (52, 987820), (65, 790256), (80, 642083), (104, 493910), (130, 395128), (208, 246955), (260, 197564), (520, 98782), (1040, 49391)]