57081940

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{21787}}^1$

素因数の和:21927

約数の個数: 24

約数和(自身を含む): 120792672

約数和(自身を除く): 63710732

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 21787, 43574, 87148, 108935, 217870, 435740, 2854097, 5708194, 11416388, 14270485, 28540970, 57081940]

約数ペア:

[(1, 57081940), (2, 28540970), (4, 14270485), (5, 11416388), (10, 5708194), (20, 2854097), (131, 435740), (262, 217870), (524, 108935), (655, 87148), (1310, 43574), (2620, 21787)]