72435880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{164627}}^1$

素因数の和:164649

約数の個数: 32

約数和(自身を含む): 177798240

約数和(自身を除く): 105362360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 164627, 329254, 658508, 823135, 1317016, 1646270, 1810897, 3292540, 3621794, 6585080, 7243588, 9054485, 14487176, 18108970, 36217940, 72435880]

約数ペア:

[(1, 72435880), (2, 36217940), (4, 18108970), (5, 14487176), (8, 9054485), (10, 7243588), (11, 6585080), (20, 3621794), (22, 3292540), (40, 1810897), (44, 1646270), (55, 1317016), (88, 823135), (110, 658508), (220, 329254), (440, 164627)]