80840128

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{20707}}^1$

素因数の和:20780

約数の個数: 28

約数和(自身を含む): 163054792

約数和(自身を除く): 82214664

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 20707, 41414, 82828, 165656, 331312, 662624, 1263127, 1325248, 2526254, 5052508, 10105016, 20210032, 40420064, 80840128]

約数ペア:

[(1, 80840128), (2, 40420064), (4, 20210032), (8, 10105016), (16, 5052508), (32, 2526254), (61, 1325248), (64, 1263127), (122, 662624), (244, 331312), (488, 165656), (976, 82828), (1952, 41414), (3904, 20707)]