56287940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{90787}}^1$

素因数の和:90827

約数の個数: 24

約数和(自身を含む): 122019072

約数和(自身を除く): 65731132

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 90787, 181574, 363148, 453935, 907870, 1815740, 2814397, 5628794, 11257588, 14071985, 28143970, 56287940]

約数ペア:

[(1, 56287940), (2, 28143970), (4, 14071985), (5, 11257588), (10, 5628794), (20, 2814397), (31, 1815740), (62, 907870), (124, 453935), (155, 363148), (310, 181574), (620, 90787)]