25108880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16519}}^1$

素因数の和:16551

約数の個数: 40

約数和(自身を含む): 61454400

約数和(自身を除く): 36345520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 16519, 33038, 66076, 82595, 132152, 165190, 264304, 313861, 330380, 627722, 660760, 1255444, 1321520, 1569305, 2510888, 3138610, 5021776, 6277220, 12554440, 25108880]

約数ペア:

[(1, 25108880), (2, 12554440), (4, 6277220), (5, 5021776), (8, 3138610), (10, 2510888), (16, 1569305), (19, 1321520), (20, 1255444), (38, 660760), (40, 627722), (76, 330380), (80, 313861), (95, 264304), (152, 165190), (190, 132152), (304, 82595), (380, 66076), (760, 33038), (1520, 16519)]