89489540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{639211}}^1$

素因数の和:639227

約数の個数: 24

約数和(自身を含む): 214775232

約数和(自身を除く): 125285692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 639211, 1278422, 2556844, 3196055, 4474477, 6392110, 8948954, 12784220, 17897908, 22372385, 44744770, 89489540]

約数ペア:

[(1, 89489540), (2, 44744770), (4, 22372385), (5, 17897908), (7, 12784220), (10, 8948954), (14, 6392110), (20, 4474477), (28, 3196055), (35, 2556844), (70, 1278422), (140, 639211)]