30728540

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{2729}}^1$

素因数の和:3301

約数の個数: 24

約数和(自身を含む): 64668240

約数和(自身を除く): 33939700

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 2252, 2729, 2815, 5458, 5630, 10916, 11260, 13645, 27290, 54580, 1536427, 3072854, 6145708, 7682135, 15364270, 30728540]

約数ペア:

[(1, 30728540), (2, 15364270), (4, 7682135), (5, 6145708), (10, 3072854), (20, 1536427), (563, 54580), (1126, 27290), (2252, 13645), (2729, 11260), (2815, 10916), (5458, 5630)]