436040

素因数分解:

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

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 1071360

約数和(自身を除く): 635320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 991, 1982, 3964, 4955, 7928, 9910, 10901, 19820, 21802, 39640, 43604, 54505, 87208, 109010, 218020, 436040]

約数ペア:

[(1, 436040), (2, 218020), (4, 109010), (5, 87208), (8, 54505), (10, 43604), (11, 39640), (20, 21802), (22, 19820), (40, 10901), (44, 9910), (55, 7928), (88, 4955), (110, 3964), (220, 1982), (440, 991)]