219321640

素因数分解:

$2^3\times 5^1\times {\mathrm{5483041}}^1$

素因数の和:5483052

約数の個数: 16

約数和(自身を含む): 493473780

約数和(自身を除く): 274152140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5483041, 10966082, 21932164, 27415205, 43864328, 54830410, 109660820, 219321640]

約数ペア:

[(1, 219321640), (2, 109660820), (4, 54830410), (5, 43864328), (8, 27415205), (10, 21932164), (20, 10966082), (40, 5483041)]