51423320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7607}}^1$

素因数の和:7644

約数の個数: 48

約数和(自身を含む): 125303760

約数和(自身を除く): 73880440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 7607, 15214, 30428, 38035, 60856, 76070, 98891, 152140, 197782, 304280, 395564, 494455, 791128, 988910, 1285583, 1977820, 2571166, 3955640, 5142332, 6427915, 10284664, 12855830, 25711660, 51423320]

約数ペア:

[(1, 51423320), (2, 25711660), (4, 12855830), (5, 10284664), (8, 6427915), (10, 5142332), (13, 3955640), (20, 2571166), (26, 1977820), (40, 1285583), (52, 988910), (65, 791128), (104, 494455), (130, 395564), (169, 304280), (260, 197782), (338, 152140), (520, 98891), (676, 76070), (845, 60856), (1352, 38035), (1690, 30428), (3380, 15214), (6760, 7607)]