80404160

素因数分解:

$2^6\times 5^1\times {\mathrm{251263}}^1$

素因数の和:251280

約数の個数: 28

約数和(自身を含む): 191463168

約数和(自身を除く): 111059008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 251263, 502526, 1005052, 1256315, 2010104, 2512630, 4020208, 5025260, 8040416, 10050520, 16080832, 20101040, 40202080, 80404160]

約数ペア:

[(1, 80404160), (2, 40202080), (4, 20101040), (5, 16080832), (8, 10050520), (10, 8040416), (16, 5025260), (20, 4020208), (32, 2512630), (40, 2010104), (64, 1256315), (80, 1005052), (160, 502526), (320, 251263)]