15803320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30391}}^1$

素因数の和:30415

約数の個数: 32

約数和(自身を含む): 38293920

約数和(自身を除く): 22490600

約数列:

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

約数ペア:

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