66915640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{152081}}^1$

素因数の和:152103

約数の個数: 32

約数和(自身を含む): 164248560

約数和(自身を除く): 97332920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 152081, 304162, 608324, 760405, 1216648, 1520810, 1672891, 3041620, 3345782, 6083240, 6691564, 8364455, 13383128, 16728910, 33457820, 66915640]

約数ペア:

[(1, 66915640), (2, 33457820), (4, 16728910), (5, 13383128), (8, 8364455), (10, 6691564), (11, 6083240), (20, 3345782), (22, 3041620), (40, 1672891), (44, 1520810), (55, 1216648), (88, 760405), (110, 608324), (220, 304162), (440, 152081)]