31606640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30391}}^1$

素因数の和:30417

約数の個数: 40

約数和(自身を含む): 79140768

約数和(自身を除く): 47534128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 30391, 60782, 121564, 151955, 243128, 303910, 395083, 486256, 607820, 790166, 1215640, 1580332, 1975415, 2431280, 3160664, 3950830, 6321328, 7901660, 15803320, 31606640]

約数ペア:

[(1, 31606640), (2, 15803320), (4, 7901660), (5, 6321328), (8, 3950830), (10, 3160664), (13, 2431280), (16, 1975415), (20, 1580332), (26, 1215640), (40, 790166), (52, 607820), (65, 486256), (80, 395083), (104, 303910), (130, 243128), (208, 151955), (260, 121564), (520, 60782), (1040, 30391)]