78822790720

素因数分解:

$2^6\times 5^1\times {\mathrm{246321221}}^1$

素因数の和:246321238

約数の個数: 28

約数和(自身を含む): 187696771164

約数和(自身を除く): 108873980444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 246321221, 492642442, 985284884, 1231606105, 1970569768, 2463212210, 3941139536, 4926424420, 7882279072, 9852848840, 15764558144, 19705697680, 39411395360, 78822790720]

約数ペア:

[(1, 78822790720), (2, 39411395360), (4, 19705697680), (5, 15764558144), (8, 9852848840), (10, 7882279072), (16, 4926424420), (20, 3941139536), (32, 2463212210), (40, 1970569768), (64, 1231606105), (80, 985284884), (160, 492642442), (320, 246321221)]