86539640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{196681}}^1$

素因数の和:196703

約数の個数: 32

約数和(自身を含む): 212416560

約数和(自身を除く): 125876920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 196681, 393362, 786724, 983405, 1573448, 1966810, 2163491, 3933620, 4326982, 7867240, 8653964, 10817455, 17307928, 21634910, 43269820, 86539640]

約数ペア:

[(1, 86539640), (2, 43269820), (4, 21634910), (5, 17307928), (8, 10817455), (10, 8653964), (11, 7867240), (20, 4326982), (22, 3933620), (40, 2163491), (44, 1966810), (55, 1573448), (88, 983405), (110, 786724), (220, 393362), (440, 196681)]