139440320

素因数分解:

$2^6\times 5^1\times {\mathrm{435751}}^1$

素因数の和:435768

約数の個数: 28

約数和(自身を含む): 332043024

約数和(自身を除く): 192602704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 435751, 871502, 1743004, 2178755, 3486008, 4357510, 6972016, 8715020, 13944032, 17430040, 27888064, 34860080, 69720160, 139440320]

約数ペア:

[(1, 139440320), (2, 69720160), (4, 34860080), (5, 27888064), (8, 17430040), (10, 13944032), (16, 8715020), (20, 6972016), (32, 4357510), (40, 3486008), (64, 2178755), (80, 1743004), (160, 871502), (320, 435751)]