115200640

素因数分解:

$2^7\times 5^1\times {\mathrm{180001}}^1$

素因数の和:180020

約数の個数: 32

約数和(自身を含む): 275403060

約数和(自身を除く): 160202420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 180001, 360002, 720004, 900005, 1440008, 1800010, 2880016, 3600020, 5760032, 7200040, 11520064, 14400080, 23040128, 28800160, 57600320, 115200640]

約数ペア:

[(1, 115200640), (2, 57600320), (4, 28800160), (5, 23040128), (8, 14400080), (10, 11520064), (16, 7200040), (20, 5760032), (32, 3600020), (40, 2880016), (64, 1800010), (80, 1440008), (128, 900005), (160, 720004), (320, 360002), (640, 180001)]