44040040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{991}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 109278720

約数和(自身を除く): 65238680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 991, 1010, 1111, 1982, 2020, 2222, 3964, 4040, 4444, 4955, 5555, 7928, 8888, 9910, 10901, 11110, 19820, 21802, 22220, 39640, 43604, 44440, 54505, 87208, 100091, 109010, 200182, 218020, 400364, 436040, 500455, 800728, 1000910, 1101001, 2001820, 2202002, 4003640, 4404004, 5505005, 8808008, 11010010, 22020020, 44040040]

約数ペア:

[(1, 44040040), (2, 22020020), (4, 11010010), (5, 8808008), (8, 5505005), (10, 4404004), (11, 4003640), (20, 2202002), (22, 2001820), (40, 1101001), (44, 1000910), (55, 800728), (88, 500455), (101, 436040), (110, 400364), (202, 218020), (220, 200182), (404, 109010), (440, 100091), (505, 87208), (808, 54505), (991, 44440), (1010, 43604), (1111, 39640), (1982, 22220), (2020, 21802), (2222, 19820), (3964, 11110), (4040, 10901), (4444, 9910), (4955, 8888), (5555, 7928)]