12543760

素因数分解:

$2^4\times 5^1\times {\mathrm{156797}}^1$

素因数の和:156810

約数の個数: 20

約数和(自身を含む): 29164428

約数和(自身を除く): 16620668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 156797, 313594, 627188, 783985, 1254376, 1567970, 2508752, 3135940, 6271880, 12543760]

約数ペア:

[(1, 12543760), (2, 6271880), (4, 3135940), (5, 2508752), (8, 1567970), (10, 1254376), (16, 783985), (20, 627188), (40, 313594), (80, 156797)]