8620160

素因数分解:

$2^7\times 5^1\times {\mathrm{13469}}^1$

素因数の和:13488

約数の個数: 32

約数和(自身を含む): 20609100

約数和(自身を除く): 11988940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13469, 26938, 53876, 67345, 107752, 134690, 215504, 269380, 431008, 538760, 862016, 1077520, 1724032, 2155040, 4310080, 8620160]

約数ペア:

[(1, 8620160), (2, 4310080), (4, 2155040), (5, 1724032), (8, 1077520), (10, 862016), (16, 538760), (20, 431008), (32, 269380), (40, 215504), (64, 134690), (80, 107752), (128, 67345), (160, 53876), (320, 26938), (640, 13469)]