418240

素因数分解:

$2^6\times 5^1\times {\mathrm{1307}}^1$

素因数の和:1324

約数の個数: 28

約数和(自身を含む): 996696

約数和(自身を除く): 578456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1307, 2614, 5228, 6535, 10456, 13070, 20912, 26140, 41824, 52280, 83648, 104560, 209120, 418240]

約数ペア:

[(1, 418240), (2, 209120), (4, 104560), (5, 83648), (8, 52280), (10, 41824), (16, 26140), (20, 20912), (32, 13070), (40, 10456), (64, 6535), (80, 5228), (160, 2614), (320, 1307)]