11419720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21961}}^1$

素因数の和:21985

約数の個数: 32

約数和(自身を含む): 27672120

約数和(自身を除く): 16252400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 21961, 43922, 87844, 109805, 175688, 219610, 285493, 439220, 570986, 878440, 1141972, 1427465, 2283944, 2854930, 5709860, 11419720]

約数ペア:

[(1, 11419720), (2, 5709860), (4, 2854930), (5, 2283944), (8, 1427465), (10, 1141972), (13, 878440), (20, 570986), (26, 439220), (40, 285493), (52, 219610), (65, 175688), (104, 109805), (130, 87844), (260, 43922), (520, 21961)]