57730480

素因数分解:

$2^4\times 5^1\times {\mathrm{721631}}^1$

素因数の和:721644

約数の個数: 20

約数和(自身を含む): 134223552

約数和(自身を除く): 76493072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 721631, 1443262, 2886524, 3608155, 5773048, 7216310, 11546096, 14432620, 28865240, 57730480]

約数ペア:

[(1, 57730480), (2, 28865240), (4, 14432620), (5, 11546096), (8, 7216310), (10, 5773048), (16, 3608155), (20, 2886524), (40, 1443262), (80, 721631)]