145346540

素因数分解:

$2^2\times 5^1\times {\mathrm{2663}}^1\times {\mathrm{2729}}^1$

素因数の和:5401

約数の個数: 24

約数和(自身を含む): 305454240

約数和(自身を除く): 160107700

約数列:

[1, 2, 4, 5, 10, 20, 2663, 2729, 5326, 5458, 10652, 10916, 13315, 13645, 26630, 27290, 53260, 54580, 7267327, 14534654, 29069308, 36336635, 72673270, 145346540]

約数ペア:

[(1, 145346540), (2, 72673270), (4, 36336635), (5, 29069308), (10, 14534654), (20, 7267327), (2663, 54580), (2729, 53260), (5326, 27290), (5458, 26630), (10652, 13645), (10916, 13315)]