185371280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53887}}^1$

素因数の和:53943

約数の個数: 40

約数和(自身を含む): 441019392

約数和(自身を除く): 255648112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 53887, 107774, 215548, 269435, 431096, 538870, 862192, 1077740, 2155480, 2317141, 4310960, 4634282, 9268564, 11585705, 18537128, 23171410, 37074256, 46342820, 92685640, 185371280]

約数ペア:

[(1, 185371280), (2, 92685640), (4, 46342820), (5, 37074256), (8, 23171410), (10, 18537128), (16, 11585705), (20, 9268564), (40, 4634282), (43, 4310960), (80, 2317141), (86, 2155480), (172, 1077740), (215, 862192), (344, 538870), (430, 431096), (688, 269435), (860, 215548), (1720, 107774), (3440, 53887)]