3955640

素因数分解:

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

素因数の和:7631

約数の個数: 32

約数和(自身を含む): 9586080

約数和(自身を除く): 5630440

約数列:

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

約数ペア:

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