156611240

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{14887}}^1$

素因数の和:15161

約数の個数: 32

約数和(自身を含む): 353738880

約数和(自身を除く): 197127640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 14887, 29774, 59548, 74435, 119096, 148870, 297740, 595480, 3915281, 7830562, 15661124, 19576405, 31322248, 39152810, 78305620, 156611240]

約数ペア:

[(1, 156611240), (2, 78305620), (4, 39152810), (5, 31322248), (8, 19576405), (10, 15661124), (20, 7830562), (40, 3915281), (263, 595480), (526, 297740), (1052, 148870), (1315, 119096), (2104, 74435), (2630, 59548), (5260, 29774), (10520, 14887)]