25377920

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2087}}^1$

素因数の和:2125

約数の個数: 64

約数和(自身を含む): 63892800

約数和(自身を除く): 38514880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2087, 2432, 3040, 4174, 6080, 8348, 10435, 12160, 16696, 20870, 33392, 39653, 41740, 66784, 79306, 83480, 133568, 158612, 166960, 198265, 267136, 317224, 333920, 396530, 634448, 667840, 793060, 1268896, 1335680, 1586120, 2537792, 3172240, 5075584, 6344480, 12688960, 25377920]

約数ペア:

[(1, 25377920), (2, 12688960), (4, 6344480), (5, 5075584), (8, 3172240), (10, 2537792), (16, 1586120), (19, 1335680), (20, 1268896), (32, 793060), (38, 667840), (40, 634448), (64, 396530), (76, 333920), (80, 317224), (95, 267136), (128, 198265), (152, 166960), (160, 158612), (190, 133568), (304, 83480), (320, 79306), (380, 66784), (608, 41740), (640, 39653), (760, 33392), (1216, 20870), (1520, 16696), (2087, 12160), (2432, 10435), (3040, 8348), (4174, 6080)]