7911280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7607}}^1$

素因数の和:7633

約数の個数: 40

約数和(自身を含む): 19811232

約数和(自身を除く): 11899952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7607, 15214, 30428, 38035, 60856, 76070, 98891, 121712, 152140, 197782, 304280, 395564, 494455, 608560, 791128, 988910, 1582256, 1977820, 3955640, 7911280]

約数ペア:

[(1, 7911280), (2, 3955640), (4, 1977820), (5, 1582256), (8, 988910), (10, 791128), (13, 608560), (16, 494455), (20, 395564), (26, 304280), (40, 197782), (52, 152140), (65, 121712), (80, 98891), (104, 76070), (130, 60856), (208, 38035), (260, 30428), (520, 15214), (1040, 7607)]