828019720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1881863}}^1$

素因数の和:1881885

約数の個数: 32

約数和(自身を含む): 2032413120

約数和(自身を除く): 1204393400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1881863, 3763726, 7527452, 9409315, 15054904, 18818630, 20700493, 37637260, 41400986, 75274520, 82801972, 103502465, 165603944, 207004930, 414009860, 828019720]

約数ペア:

[(1, 828019720), (2, 414009860), (4, 207004930), (5, 165603944), (8, 103502465), (10, 82801972), (11, 75274520), (20, 41400986), (22, 37637260), (40, 20700493), (44, 18818630), (55, 15054904), (88, 9409315), (110, 7527452), (220, 3763726), (440, 1881863)]