138850960

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4027}}^1$

素因数の和:4471

約数の個数: 40

約数和(自身を含む): 323657856

約数和(自身を除く): 184806896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 862, 1724, 2155, 3448, 4027, 4310, 6896, 8054, 8620, 16108, 17240, 20135, 32216, 34480, 40270, 64432, 80540, 161080, 322160, 1735637, 3471274, 6942548, 8678185, 13885096, 17356370, 27770192, 34712740, 69425480, 138850960]

約数ペア:

[(1, 138850960), (2, 69425480), (4, 34712740), (5, 27770192), (8, 17356370), (10, 13885096), (16, 8678185), (20, 6942548), (40, 3471274), (80, 1735637), (431, 322160), (862, 161080), (1724, 80540), (2155, 64432), (3448, 40270), (4027, 34480), (4310, 32216), (6896, 20135), (8054, 17240), (8620, 16108)]