413120

素因数分解:

$2^6\times 5^1\times {\mathrm{1291}}^1$

素因数の和:1308

約数の個数: 28

約数和(自身を含む): 984504

約数和(自身を除く): 571384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1291, 2582, 5164, 6455, 10328, 12910, 20656, 25820, 41312, 51640, 82624, 103280, 206560, 413120]

約数ペア:

[(1, 413120), (2, 206560), (4, 103280), (5, 82624), (8, 51640), (10, 41312), (16, 25820), (20, 20656), (32, 12910), (40, 10328), (64, 6455), (80, 5164), (160, 2582), (320, 1291)]