218320240

素因数分解:

$2^4\times 5^1\times {\mathrm{2729003}}^1$

素因数の和:2729016

約数の個数: 20

約数和(自身を含む): 507594744

約数和(自身を除く): 289274504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2729003, 5458006, 10916012, 13645015, 21832024, 27290030, 43664048, 54580060, 109160120, 218320240]

約数ペア:

[(1, 218320240), (2, 109160120), (4, 54580060), (5, 43664048), (8, 27290030), (10, 21832024), (16, 13645015), (20, 10916012), (40, 5458006), (80, 2729003)]