28240640

素因数分解:

$2^8\times 5^1\times {\mathrm{22063}}^1$

素因数の和:22084

約数の個数: 36

約数和(自身を含む): 67648224

約数和(自身を除く): 39407584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 22063, 44126, 88252, 110315, 176504, 220630, 353008, 441260, 706016, 882520, 1412032, 1765040, 2824064, 3530080, 5648128, 7060160, 14120320, 28240640]

約数ペア:

[(1, 28240640), (2, 14120320), (4, 7060160), (5, 5648128), (8, 3530080), (10, 2824064), (16, 1765040), (20, 1412032), (32, 882520), (40, 706016), (64, 441260), (80, 353008), (128, 220630), (160, 176504), (256, 110315), (320, 88252), (640, 44126), (1280, 22063)]