83281280

素因数分解:

$2^7\times 5^1\times {\mathrm{130127}}^1$

素因数の和:130146

約数の個数: 32

約数和(自身を含む): 199095840

約数和(自身を除く): 115814560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 130127, 260254, 520508, 650635, 1041016, 1301270, 2082032, 2602540, 4164064, 5205080, 8328128, 10410160, 16656256, 20820320, 41640640, 83281280]

約数ペア:

[(1, 83281280), (2, 41640640), (4, 20820320), (5, 16656256), (8, 10410160), (10, 8328128), (16, 5205080), (20, 4164064), (32, 2602540), (40, 2082032), (64, 1301270), (80, 1041016), (128, 650635), (160, 520508), (320, 260254), (640, 130127)]